Runescape: All you need to know about Croesus

Croesus Guide 2023 Runescape

Welcome to the definitive guide to Runescape’s first skilling boss, Croesus! Croesus is a formidable boss that has challenged players since its release in September of 2021 and continues to be a major challenge for even the most experienced adventurers.

This guide will give you everything you need to know to tackle the Croesus fight. We will cover her mechanics and tactics for players, new and old, and provide tips and tricks to help you emerge victorious. Whether you are a seasoned veteran or new to the game, this guide will help you take down Croesus and claim your place as “the Infected”! 

Six important tools for Croesus

Crystal Mask

The single biggest upgrade you can make for the Croesus fight is to unlock the Ancient Spellbook spell “Crystal Mask.” The Crystal Mask spell grants players temporary single-use protection against all of Croesus’ mechanics. Ideally, players use a Grasped rune pouch to store the four required runes, Soul, Body, Fire, and Earth, in their ammo slot. There is a brief cooldown between uses of Crystal Mask, but with a reasonable understanding of Croesus’ mechanics, all stat reductions are avoidable, removing the need for Super Restore potions. 

Sana’s Fyrtorch

Aside from the Crystal Mask spell, the woodcutting off-hand Sana’s Fyrtorch is the next best unlock. There are several mechanics where Sana’s Fyrtorch makes a big difference, primarily removing the need for logs or the Orthen Furnace Core to remove the Sticky Fungi mechanic. In addition, Sana’s Fyrtorch increases the resources you obtain during the Croesus fight and allows the player to damage Croesus’ core more. 

Tagga’s Corehammer

Tagga’s Corehammer is a neat addition for those looking to take on Croesus regularly. And with it being a requirement for the Mining role for most teams, it is great to get some diversity in your games. In addition to Tagga’s Corehammer granting players extra damage and resources for the mining role, all players can use it, like Sana’s Fyrtorch, to deal more damage to the Croesus core. 

Artificer’s Measure

Another item worth using at Croesus is the Artificer’s Measure, a crafting and construction off-hand item that increases the speed of building the statues to open the Croesus’ core. In place of the Artificer’s Measure, players can instead one-tick Construction by reactivating the “build” option on the statue every time the experience drop shows up. 

The Gatherer’s Cape

Utilizing the Gatherer’s Cape is highly worthwhile for the more advanced Runescape players. Players must reach level 99 or higher in the seven Gathering skills, Archaeology, Divination, Farming, Fishing, Hunter, Mining, and Woodcutting, to unlock the Gatherer’s Cape. The advantage of the Gatherer’s Cape is that it can consume two skill capes to grant their passive effects from one item slot, similar to Runescape’s Max Cape, which grants three. The most common combination of Skill Capes used in the Gatherer’s Cape is Fishing and Mining, both of which grant benefits helpful during the Croesus battle. 

The Pontifex Shadow Ring (Upgraded)

While the Pontifex Shadow Ring requires quite some quests and unlocks, it is highly worthwhile for the benefits the ring grants. By Overcharging the ring with six thousand of each Resonant Anima, players increase the number of Enriched Troves they obtain, which players can open for various worthy rewards. In addition, the ring also grants a 2% buff to unique drops from Elder God Wars bosses and reduces the stat-draining effects of Croesus’ abilities by 25%. 

Croesus Setups – Best options explained

Many different equipment setups are available to beat the Croesus skilling boss successfully. Below are the equipment setups that are reasonably achievable for most players looking to fight the Croesus boss, with many items being must-haves to participate in four-person groups. The following setups all assume using the Mobile perk or the Shadow’s Grace relic to reduce the cooldowns for your movement abilities. 

Role Loadouts – Hunter, Mining, Fishing, and Woodcutting

The Hunter role for Croesus has the least requirements to efficiently play the role, with the most notable aspect being level 99 in the Hunter skill. While it is certainly possible to perform the role ahead of that, having the ability to two-tick Hunter drastically increases the mistakes players can make during the battle without hindering their teammates. 

The Elite Trapper outfit unlocked through Irwinsson on the island of Anachronia grants a noteworthy increase to the catch rate and a small chance to double the resources collected during the Croesus battle. Similarly, the Magic Butterfly Net is vital for the Hunter role, as it significantly improves the catch rate at the Hunter skilling plots. 

Complete item setup:

  • Elite Skilling Outfit: The Volcanic Trapper Outfit
  • Magic Butterfly Net
  • Sana’s Fyrtorch or Orthen Furnace Core
  • Rune Pouch with Fire, Body, Earth, and Soul Runes for Crystal Mask
  • Hunter Skillcape (required for Two-tick Hunter)
  • Super Restore (Flask)
  • Optional: Luck of the Dwarves, Grace of the Elves for increased luck & extra loot from Seren Spirits.
  • Optional: Arctic Bear (71 Summoning)
  • Optional: Artificer’s Measure
  • Optional: Tagga’s Corehammer
  • Optional: Gatherer’s Cape (or regular versions) with Fishing and Mining skill cape perks.

Of the four Roles at Croesus, the Mining role has by far the steepest requirements regarding items. Mining is by far the slowest of the four roles. As such, players need a high-tier Aura, dozens of quests, and levels to unlock all necessary gear. To properly do a four-person Croesus hour, players need the Pickaxe of Earth and Song, with at minimum the invention perk Honed five or six, in addition to the Elite skilling outfit, the Tagga’s Corehammer, and level 99 in the Mining skill for the skill cape. 

Complete item setup: 

  • Elite Skilling outfit; the Magic Golem outfit
  • The Pickaxe of Earth and Song (Honed 5/6)
  • Tagga’s Corehammer
  • Rune Pouch with Fire, Body, Earth, and Soul Runes for Crystal Mask
  • Mining Skillcape or Gatherer’s Cape with the Mining & Fishing Skillcape
  • Sana’s Fyrtorch or Orthen Furnace Core
  • Super Restore (Flask)
  • 75 or 83 Summoning with a Gargoyle (requires Binding Contracts mystery) or Lava Titan. 
  • Supreme Quarrymaster Aura, at minimum.
  • Optional: Hunter Skillcape for two-Tick Hunter to speed up core or error correction.
  • Optional: Artificer’s Measure
  • Optional: Luck of the Dwarves, Grace of the Elves for increased luck & extra loot from Seren Spirits.

The Fishing role is quite similar to the Mining role, with far easier-to-achieve requirements. While it still requires a significant Invention level, due to the need for Honed 5/6 on a Fishing Rod-o-Matic and at least level 99 in the Fishing skill for the Elite skilling outfit and Fishing skill Cape. However, unlike the Mining and Woodcutting skills, the Fishing role at Croesus is manageable without an aura, although these are still very worthwhile to use if you have them unlocked. The extra catch rate of up to 15% with the Legendary Call of the Sea aura makes a notable difference during the gathering portions of the fight. 

Complete item setup:

  • Elite Skilling Outfit; the Fury Shark Outfit
  • Augmented Fishing Rod-o-Matic with Honed 5/6 
  • Level 99 Fishing & the Fishing Skill Cape (or Gatherer’s Cape)
  • Rune Pouch with Fire, Body, Earth, and Soul Runes for Crystal Mask
  • Sana’s Fyrtorch or Orthen Furnace Core
  • Super Restore (Flask)
  • Recommended: Call of the Sea Aura (3-15% catch rate buff)
  • Optional: Hunter Skillcape for two-Tick Hunter to speed up core or error correction.
  • Optional: Artificer’s Measure
  • Optional: Luck of the Dwarves, Grace of the Elves for increased luck & extra loot from Seren Spirits.
  • Optional: 74 Summoning for the Granite Lobster (+3 Invisible Fishing boost)

Aside from Hunter, the Woodcutting role at Croesus is the easiest role to meet the requirements, as the role does not require level 99 Woodcutting. The Crystal Hatchet and Sana’s Fyrtorch are must-haves, in addition to the Nature Sentinel’s outfit for the skilling buffs. Similarly, using a Lumberjack aura can be beneficial during the Croesus fight, but it isn’t difficult to compete without it. 

Complete item setup:

  • Elite Skilling Outfit: Nature’s Sentinel outfit
  • Crystal Hatchet with Honed 5/6 
  • Sana’s Fyrtorch
  • Rune Pouch with Fire, Body, Earth, and Soul Runes for Crystal Mask
  • Super Restore (Flask)
  • Optional: Lumberjack Aura (3-15% increased chance of chopping Log)
  • Optional: Hunter Skillcape for two-Tick Hunter to speed up core or error correction.
  • Optional: Artificer’s Measure
  • Optional: Luck of the Dwarves, Grace of the Elves for increased luck & extra loot from Seren Spirits.

Two-tick Hunter in Runescape explained.

One of the lesser-used tricks to succeed at Croesus is learning two-tick Hunter. While you can do four-person Croesus without the method, the strategy is vital to succeeding in Croesus masses. It is especially valuable for those first looking to learn the boss to mitigate the effects of the mistakes everyone makes at the beginning. The requirements for two-tick Hunter are quite high, with players needing to reach level 99 in the Hunter skill to access the Hunter skill cape. 

Once you know it exists, the method is simple: wear the Hunter cape (or include it in your Gatherer’s Cape), drag it to your action bar, and bind it to any easily accessible key. Now, press the key it is bound to, and click on the Hunter skill plot. Doing so allows you to make a catch-attempt instantly rather than having it on a four-tick cycle. (~2.4 seconds vs. ~1.2) Repeat this action (key, click the skilling plot) until you have gathered the required resources. Noteworthy is that this action of two-tick Hunter also works on Croesus’ Core, allowing you to collect additional contribution points or speed up the fight’s duration. 

Croesus’s Primary Strategies Explained

There are a few primary strategies players need to be aware of before jumping into a round of Croesus. Since most people reading this will be doing so before starting their first practice rounds in mass worlds, let’s start there. You aim to obtain as many points as possible during a mass-world Croesus round. You likely won’t be the fastest, so try focusing on surviving the mechanics and gathering resources safely when possible. Contributing your resources shouldn’t be a priority, so don’t feel bad about sitting at whichever statue you choose to start at. 

North-West is the Hunter node. North-East is the Fishing location. South-West is Woodcutting. And Mining is in the South-East corner of the map. 

There are a few key points you want to focus on aside from learning to avoid the mechanics. (shoutout Sus Alert from Alt1) Try and build the statues whenever possible, deal damage to Croesus’ Core, and ensure you are ready for the Energy Fungus event.

Croesus Meta – Four Player Teams

Once you get the hang of the Croesus boss fight and you have at least one skill high enough to complete your tasks fast enough, it is time to learn the four-player metas for Croesus. 

The tasks are simple. 

  1. Start by gathering sixteen of your resources and place these in the storage box. 
  2. Collect ten more, joining the Energy Fungus event if you are slow. 
  3. Rot ten of your resources, and hold the Rotten Fungus. 
  4. Deplete your resource location and collect sixteen or seventeen of your resources to “run long” with. 
  5. Keeping track of Croesus’ abilities, traverse two locations clockwise and deposit your resources with the statue. 
  6. Next, collect sixteen (or seventeen) resources from the storage chest where you’ve just deposited your resources, and walk one path counterclockwise to deposit your next set of resources. 
  7. Here, you also “rot” the resource plot. (at the location you end)
  8. You are responsible for building and praying the second statue, so get started on that. 
  9. Before your team completes praying at the Statues, wait until the second occurrence of the Energy Fungus event. After the second “mid,” pray the statue and subdue the core. 

While getting used to everything may take some time, you’ll complete max-point hours in no time. A common question, whenever we teach Croesus to players of the FC, is why we rotted the Last plot rather than whichever one you start at. It is quite interesting, as this is a development that only happened later in the time since Croesus’ initial release. 

You rot the “last” plot rather than the first one because of the speed difference in gathering resources. While this is not required and rarely done outside of the fastest teams, you should know it. For the Woodcutting and Mining plot, it is faster to two-tick Hunter resources than to obtain ten of their own. So, by rotting the ending plot, rather than your starting location, up to three players can gather the resources to rot from the Hunter location, rather than only the player with the Hunter role. 

Similarly, we recommend players learning the Croesus boss to run clockwise on their “long” run, as it prevents players from accidentally depositing their resources at the wrong location. 

Croesus Damage Calculation 

A common mistake made by players first learning the four-person methods for Croesus is the failure to properly deplete and rot the primary skilling plot(or “carcass.”) To damage Croesus, players need to clear the carcasses and keep them depleted, with each of the four plots making up for a portion of the base damage against Croesus. With all four plots depleted, players deal 150% of their base damage against Croesus during the “core” portion of the fight. Calculating your base damage is simple. Take your current skill level (with visible buffs included) x ten. So, for most players, that means level 99, x10, for 990 base damage, or 1485 real damage. 

Mechanics of the Croesus Fight

The mechanics of the Croesus fight are quite simple to understand overall, but there is always something happening during the fight of which to keep track. A great tool to learn the mechanics of the Croesus fight is to install and add the Croesus Alert plugin to Runescape’s alt1. For more information on how to do this, follow our guides to Alt1 and its helpful plugins. 

Spore Bombs

The first mechanic happening every round of the Croesus fight is Spore Bombs. Croesus launches a Spore Bomb at every player in the instance at (0:13, 0:49, 1:25, 2:01, 2:37, 3:25, 3:51), creating a three-by-three square from the location where the player was at the time of casting the ability. Getting hit by the Spores drains the players’ stats, reducing the efficiency of gathering resources and the damage the player can deal to Croesus. As such, use Crystal Mask to avoid the mechanic, or simply step away or use the Escape ability at 0:15, 0:51, 1:27, 2:03, 2:39, and 3:27. 

Fairy Rings

The second mechanic happening in the Croesus fight is the Fairy Ring. Again, Croesus cast a spell at all players in the instance, creating a temporary Fairy Ring-like tile where the players are standing. If the players don’t move away at the correct time, they teleport randomly to one of the other skilling plots and rot one of their resources. To avoid the mechanic, watch and walk to any other tile whenever one pops up. 

Slime monster (Slime Mould)

After the Fairy Ring mechanic, next up is the Slime Monster or “Slime Mould.” The Slime Monster is one of the most annoying mechanics for Croesus masses, even if a player has the Crystal Mask spell unlocked. As with most of Croesus’ mechanics, there will be one for each player, sometimes resulting in several Slime Monsters hitting you due to being too close to their intended target. If a Slime Monster explodes on you, you lose many stats. If multiple hit you during a Croesus mass, it is easy to get all your stats drained immediately, removing you from the fight. In four-person teams, move away from the Slime Monster or let it break your Crystal Mask and proceed as usual. 

Stun (Fungus Fall)

Croesus’ stun mechanic, Fungus Fall, is very important to avoid due to the timing of the ability. If a Fungus hits you ahead of the Energy Fungi phase, that may result in you losing more contribution score. However, avoiding the stun mechanic is simple during the Croesus fight, as moving any tile from when Croesus casts the ability avoids it entirely. If you are still building your Croesus Statue, you can use the defensive abilities Anticipation or Freedom to avoid the stun. 

Sticky Fungi (Root)

Croesus’ Sticky Fungi (root) mechanic happens just before the most important part of the fight, the Energy Fungi or “Mid,” making it vital to know how you will respond if it roots you. The ideal answer to Sticky Fungi is to use either the Sana’s Fyrtorch or the Orthen Furnace Core; both only require a single “tick” to remove the Sticky Fungi. Using Magic or Elder logs is an option for players with less wealth, but these require more time to clear the root, resulting in more lost contribution score. 

An alternative here is to stand on the four tiles directly next to the spawn location of the Energy Fungi and ignore the root mechanic until the “mid” phase ends. Doing so results in a significant stat drain. However, as this drain does not reduce any contribution score, you can collect up to fifteen additional Contribution Score compared to using logs, granting the players up to an additional loot roll each fight. 

Energy Fungi (“Mid”)

The Energy Fungi is the most important part of the Croesus fight, where you’ll gain a significant portion of your contribution score. The mechanic, often referred to as “mid,” takes place at (2:25 and roughly five minutes) in the middle of the Croesus map for each quadrant. Players must work together to ensure the Energy Fungi is disabled before its timer runs out. 

Croesus Map Overview

Croesus’ Arena is easy to navigate. The south and northern borders have three sets of mushrooms to climb over, and the East and West borders require players to utilize Dive (or Bladed Dive), followed by the Surge ability to traverse.

To ensure you never lose materials, stand at the last line of tiles of the steps. That way, it doesn’t matter which tile you Dive to, as you’ll never walk on any of the eastern or western tiles, which would cause your materials to spoil. 

Similarly, to traverse the mushrooms, simply click on the mushroom with the visual effect. A simple way to quickly traverse the mushrooms is to click on the next mushroom when your character starts the climbing animation. Unlike many climbing animations in Runescape, this one is purely for visual effects. As such, it allows you to start running several seconds faster than expected with each climb. 

Contribution Score Breakdown

There are twelve different aspects of the Croesus battle that impact your Contribution Score during the Croesus fight. While players only need 420 contribution score to reach the maximum number of reward chances, it is possible to gain a lot more throughout each round. The excess contribution score available throughout the fight creates a lot of room for error before you start missing out on rewards. As such, Croesus is quite a new-player-friendly boss. 

Regarding gaining Contribution Score, some options are much more important than others. For example, when gathering resources for the statues, you gain three Contribution Score for each material collected from the Enhanced node, compared to only two from normal nodes.

When you aren’t paying attention, you sometimes collect from the Rotted Node, which reduces your Contribution Score by two for each harvest. Lastly, you gain twenty Contribution Score from the materials by rotting a plot with ten Rotten Fungus, made by clicking ten of your harvested materials. 

The biggest mistake new players make – Croesus’ Energy Fungus

One of the biggest mistakes players new to the Croesus boss fight make is missing out on the “Middle” event, the Energy Fungus. The event takes place at approximately 2:25 and five minutes into the round and makes up the bulk of your available points in masses and four-man teams. Every 0.6 seconds, players gain five Contribution Score by removing the Energy Focus, which can earn 125 to over 200 points each time the event occurs. 

Contributing and building the Croesus Arena Statues

The third part of your points comes from contributing resources to and building the Statues of the Croesus Arena. Each contributed resource provides two Contribution Score for sixty points per player per game. While each statue requires different resources, the points available are the same. Each statue has 75 available points at a rate of one per XP drop. The Artificer’s Measure helps out here by allowing players to gain two points per XP drop instead on occasion. 

To note here, in four-person teams, your team only has to complete three statues to subdue Croesus successfully. As such, you can get away with only building 75% of the fourth statue, as no points are available for 75% to 100%. Similarly, praying at statues grants no Contribution Score and, as such, should be avoided in masses. (Yes, it’s a bit toxic, but sometimes you must be  a little selfish to maximize your rewards.)

Points from Subduing Croesus

Last is the least understood part of the Croesus fight. When all players pray at their statue and take on the Croesus’ Core, many points are up for grabs. For each five hundred damage players deal to the Core, they gain one point. For the Spores, players should try and restart their harvest by clicking on the Core whenever Green or White Spores appear, as these grant three and one points, respectively. Similarly, Red Spores reduce the players’ points and slightly heal Croesus’ core. 

Croesus Armor and valuable resources

Croesus holds some of the strongest Magic armor in Runescape, namely the Cryptbloom Armor set. The Cryptbloom Armor set, as a Tank Magic set, synergizes immensely with the spell Animate Dead, allowing players to take on most of Runescape’s older bosses without any issues. In addition, Croesus holds the Croesus Spore Sack, an item allowing players to store many of their Farming seeds, and the Scripture of Bik, a skilling god-book that grants players a periodic experience buff (+5%) and various sealed clue scrolls. As if that wasn’t enough, Croesus also grants players access to the best skilling off-hands in Runescape, the Croesus Foultorch and Croesus Sporehammer. 

However, what makes Croesus such a favorite of Ironman players are the numerous valuable resource drops the boss drops in large quantities. From herb seeds like Dwarf Weeds, Toadflax, and Kwuarm Seeds to gems ranging from Emeralds to Onyxes, to raw Rocktails, Soul Runes, and various herblore supplies, raw money, and just about everything else you’ll ever need. 

Croesus Tips & Tricks

Shadow’s Grace Archeology Relic

The Shadow’s Grace archeology relic is incredibly beneficial for the Croesus fight. For those unfamiliar with its uses, the relic works exactly the same as the Mobile perk from the Invention skill and only costs fifty monolith energy. The effects of reducing the cooldown of Escape, Dive, Bladed Dive, and Surge by half do not stack. The main benefit of using the relic over an off-hand with the Mobile perk is to have fewer switches to worry about. Constantly switching your off-hands can be very distracting, increasing the number of mistakes you will make throughout your time with the boss. 

The Shadow’s Grace relic requires completion of the Secrets of the Inquisition mystery, which requires a minimum of 67 Archeology to complete. 

Crystal Mask reiteration

As mentioned, Crystal Mask is a game changer for the Croesus fight. While the requirements are quite steep, the boss is much simpler when you can ignore half of the mechanics at the cost of only a few runes. 

Powerburst of Acceleration

While using a Powerburst of Acceleration is not required to complete the Croesus fight efficiently in four-person groups, bringing one for players first learning the boss may be worthwhile. For those who don’t know, the Powerburst of Acceleration instantly resets the cooldown of Surge, Bladed Dive (or Dive). Resetting these movement cooldowns can be life-saving if you make a mistake with your surge or bladed dive positioning while crossing the East or West side of the Arena.

Where to find teams

There are many places to find teams for the Croesus skilling boss, so let’s talk about what places are best to learn and where you can find the best teams. The best place to start learning the Croesus skilling boss is on the public Croesus world, world 68. Here, players can enter the public instance and participate in groups of up to fifteen players. The benefit is that you don’t have to worry about any of the strategies, which allows you to focus on depleting the skilling plots and learning the fight’s mechanics. 

After learning the basics of the Croesus fight, you can start to play in four-person teams from World 68 teams, which require you to at least know the mechanics and strategies of the fight. Once you get the hang of the Croesus fight, the Croesus FC is the place to go. The requirements for joining the teams here are quite high, but the teams are solid. Joining these teams allows you to get eight to nine kills per hour consistently, translating to a long-term average of about sixty million GP per hour. 

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