ESSENCE FARMING TOOL

The Essence Farming Tool ranks all 58 known dungeon routes across Arknights: Endfield by how efficient they are for farming weapon essences. Instead of guessing where to run, you mark the weapons you want, hide the ones you already own, and the tool surfaces the dungeons that maximise your drop overlap across an active wishlist of weapons. The rankings reflect weapon-pool size and verified drop rates pulled from the community spreadsheet, so the top of the list is whichever route gives you the broadest chance of useful drops per sanity bar spent.

Most players come to this page in one of two moods: they have a specific weapon they want to push to its substat ceiling and need to know which stage drops the right essences, or they are sitting on a wishlist of five or six weapons and want to plan a co-farming rotation that does not waste runs. The tool handles both cases through the same interface — checkboxes for owned and desired, filters for hiding what you do not need, and a per-row breakdown of which essences each dungeon actually drops. Your collection saves automatically in your browser, so the work you put in marking weapons survives across sessions.

This page also walks through the math the tool is doing under the hood: how essence drops are deterministic rather than rolled, how sanity-per-essence is calculated, and why a stage with a low headline drop rate can sometimes beat a stage with a higher one once weapon-pool overlap is factored in. For optimal essence outcomes inside a single run — locking the right attribute pairs after entering a dungeon — pair this tool with the Essence Planner, which handles the per-run roll and lock decisions that this tool deliberately does not.

How to Use the Essence Farming Tool Below

The workflow is short. Walk the weapon list and tick the checkboxes for the weapons you already own — that hides them from the calculations so the tool stops recommending dungeons whose drop pool you have already finished. Then mark the weapons you want to farm next using the heart icon; those weapons become the wishlist the rankings are scored against. Apply the filters at the top of the table to either hide owned weapons or show only desired weapons, depending on how aggressive you want the focus to be.

Once your collection state is set, read the rankings. Higher-ranked entries have more weapons in their drop pool, which is what makes them the best co-farming targets — a dungeon that drops essences for seven weapons on your wishlist is doing more work per run than a dungeon that drops for two, even if the per-weapon drop rate looks higher on the lower-ranked entry. The drop-rate column shows the exact percentage for each essence combination, so when you only need essences for one specific weapon you can ignore the rank and pick the dungeon with the highest single-target rate instead. Collection state saves to your browser the moment you click, so you can close the tab and come back later without losing your wishlist.

Run the tool above against your active wishlist, and the routing side of essence farming is solved — pick the top entry, run it until you have what you need, then re-mark your collection and rescan. The rest of this page explains the mechanics behind those rankings: how essence is dropped, why sanity-per-essence is the metric that actually matters, and how to convert an operator's stat priority list into a target essence list the tool can run against.

Quick Answer

Mark the weapons you own, mark the weapons you want, and read the top of the dungeon ranking. The top entries have 6–7 weapons in their drop pool from your wishlist, which makes them the most efficient co-farming routes. If you only need essences for one specific weapon, ignore the rank and sort by the per-weapon drop rate instead — higher drop rates mean fewer runs to land your target essence.

The dataset covers 58 farming routes across 8 region pools and the full roster of 53 essence-eligible weapons, sourced from a community-maintained spreadsheet that re-syncs each major patch. Drop tables are deterministic and essence values are fixed per item, so the question is never "what will I roll" but "where do I go to make my expected drop count tip in the right direction the fastest." Treat the rankings as directional — a 5% gap between two stages is within sample noise, while a 30% gap is robust enough to act on without second-guessing.

How Essence Farming Works in Endfield

Essence is the substat-bearing consumable used to upgrade weapons in Arknights: Endfield. Every weapon has two substat slots and a fixed pool of substats it can socket; essence is what you feed into those slots to unlock or roll the substat values. Unlike many gacha-style stat systems, essence rolls are not random per drop — each named essence item carries a fixed substat at a known value, so essence farming is a routing problem (which dungeon and which run optimises the essence I need) rather than a slot-machine problem.

This tool aggregates the community-mapped essence drop tables for every farmable dungeon and stage in the game, indexes them by substat output, and returns the most efficient dungeon for the essence type you are after. The underlying data is sourced from a community spreadsheet maintained by the Arknights: Endfield Reddit community; we re-import that spreadsheet on each refresh and surface the most recent version stamp at the bottom of the page. The tradeoff with the spreadsheet source is that it is sample-based, so low-frequency essences carry wider error bars than the high-frequency drops — the page handles that by surfacing relative rankings rather than absolute predictions.

How Essence Is Dropped, Not Rolled

Drop tables are deterministic. Every stage has a defined list of essences it can drop, and each essence has a fixed drop rate. The tool sums expected drops per run to give you sanity-per-essence figures rather than guessing — that is what powers the rankings. When you see a stage at the top of the list, it is there because the math says you will see your target essences more often per sanity bar than at any of the alternatives, not because someone got lucky in their drop logs.

Substat values are fixed per essence. The Crit Damage essence drops the same value of Crit Damage every time. Higher-tier essences (T3, T4) drop with larger substat values, not just higher drop rates, which means tier hunting is as much about chasing the value tier as it is about the substat name. A T2 Crit Damage and a T3 Crit Damage are different essence items entirely, and they drop at different stages with different rates — when you set a target in the tool, make sure you are aiming at the tier you actually need rather than the cheapest tier that shares the name.

Stage-locked drops sit alongside universal drops. Some essences only drop in specific zones — boss-tied stages, event-only dungeons, late-game patrol routes — while others drop across the wider rotation. Filter the tool by stage type to plan around availability, especially during events where the rotation expands temporarily. The tool flags drop-only essences in the per-row breakdown so you immediately know when a stage is your only option and when you have flexibility to swap to a more convenient run.

Tier ladder gates progression. T1 through T4 essence forms a quality ladder; higher tiers unlock at later breakthroughs and are required for endgame weapon upgrades. Plan to farm tier-appropriate essence rather than over-investing in low-tier rolls that will be discarded once a weapon hits its next breakpoint. Stockpiling T1 essence beyond your immediate needs is one of the most common new-player mistakes — the tool's per-tier filtering exists specifically to keep you on the tier ladder that matches your current weapon-investment ceiling.

Sanity-Per-Essence Math

The tool's headline metric is sanity-per-essence: how many sanity points it costs, on average, to drop one copy of the essence you need. The calculation multiplies the stage's sanity cost by the inverse of the drop rate, then applies any double-drop modifiers — event bonuses, weekly first-clear bonuses, and the various time-limited stage boosts the game cycles through. The result is a single number per stage per essence that you can compare directly against any other stage, no matter how different the headline drop rates and sanity costs look.

The reason this matters is that headline drop rate alone misleads. Stages with deceptively cheap sanity costs but low drop rates often rank below higher-cost stages with cleaner drop tables, because the cheap stage's drop rate is so low that you spend more total sanity grinding it out than you would have spent on the more expensive run. The tool surfaces this so you do not over-farm a misleading patrol stage when a Joint Operations clear would be the more efficient call.

The other side of the same coin is co-farming overlap. A stage that drops essences for several weapons on your wishlist effectively divides its sanity-per-essence cost across all of those weapons, because every run is generating progress on multiple targets at once. That is what the dungeon ranking is sorted on — the broader the drop-pool overlap with your active wishlist, the lower the effective sanity-per-essence the stage delivers across the build queue as a whole.

Substat Hunting Strategy

Once you have decided which weapon to invest in, look up the operator's stat priority list — use the weapon recommender for this — and convert the top-three priorities into a target essence list. Stat priorities are not interchangeable across operators: a DPS operator wants Crit Damage and Attack% on the top of its essence wishlist, while a support operator wants something completely different. The recommender tells you which substats actually move the needle for the operator you are building, and which ones are filler that you should not sink essence into.

From there, run the tool against each target essence to find the most efficient farming stage, then sequence your sanity spend across the matching dungeons. The order matters: it is almost always better to clear one target essence to completion before starting the next, because finishing a build unlocks the breakpoint you have been pushing toward and frees up your inventory of lower-tier essences for the next operator in the queue. Spreading your sanity thin across five half-built operators is the slowest path through the system; finishing one at a time is the fastest.

The essence reference guide covers the full breakdown of which essence types feed which weapon substats and how the socket system gates progression. Read it once if you are new to the system — the gating rules around socket slots and unlock conditions are not obvious from the in-game UI, and a single misallocation can lock you out of a substat slot until you collect another copy of the unlock item. The tool assumes you already know which essences you want; the guide is what tells you which essences you actually want.

One important caveat on the rankings themselves: community-spreadsheet drop rates are sample-based and carry a margin of error, particularly for low-frequency essences. Treat the tool's rankings as directional rather than exact — a 5% difference in expected drops between two stages is well within sample noise, while a 30% difference is robust enough to act on. If two stages tie within a few percent on sanity-per-essence, pick the one that overlaps with more of your wishlist, or simply pick whichever you find more enjoyable to run; the math will not split them meaningfully either way.

Co-Farming Multiple Weapons Efficiently

The biggest efficiency gain in essence farming is not optimising a single stage for a single weapon — it is finding the stage that does the most work across several weapons at once. Mark every weapon you want to farm using the heart icon, then filter the table to show only those weapons. The tool will surface dungeons that appear in multiple desired weapons' drop pools, and the rankings will adjust to push co-farming routes to the top of the list.

Pick the dungeon that covers the most of your wishlist, even if it is not optimal for any single weapon, because the run-count savings dominate the per-essence drop-rate differences. A common pattern across active accounts: three well-chosen dungeons can cover the essence needs for six to eight weapons if you sequence them right, versus six or more dungeons if you farm each weapon in isolation. That is roughly a 50% reduction in total sanity spent on the same set of builds.

The trick is being honest about which weapons are actually on the wishlist. Marking every weapon as "desired" because you might someday build it produces a ranking that is no better than no filtering at all — the tool can only optimise against the priorities you give it. Trim the desired list to the weapons you are actively committing sanity to in the next two weeks, refresh the rankings, and the co-farming gains snap into focus.

Farming Tips Worth Knowing

Focus on the high-ranked entries. Top entries in the ranking have six to seven weapons from your wishlist in their drop pool, which is what maximises the chance of useful drops per run. If your wishlist is small and no entries hit that level, the tool is telling you the truth: your wishlist is too narrow to benefit from co-farming, and you should pick stages by single-weapon drop rate instead.

Mark desired weapons aggressively when you first start. The heart-icon wishlist is what powers the filtering, and the filtered view is where the tool's value is concentrated — the unfiltered ranking is almost always less useful than a focused desired-only view. Use the heart icon to mark weapons you need, then filter to see only relevant farming routes, and rescan the rankings.

Co-farm whenever the overlap exists. When you need essences for multiple weapons, the dungeons that appear in multiple top entries are doing more work per sanity bar than any of the single-target alternatives. The tool ranks them at the top for a reason — pick from that list before reaching for a specialised single-weapon stage.

Check the drop-rate column, not just the rank. Higher drop percentages mean fewer runs on average to land your target essence. Two stages can sit close in rank but split widely on per-weapon drop rate; the column tells you which one will actually finish your build faster when you are down to a single missing essence.

Frequently Asked Questions

For complete essence mechanics, enhancement rates, acquisition methods, and the weapon-skill reference tables that connect essence drops back to specific operator builds, read the Essence Reference Guide. The guide covers the parts of the system this tool does not — the socket-unlock rules, the tier-by-tier substat value tables, and the operator-build framing — and is the natural follow-up read once you have a farming route picked.

Data is sourced from the community-created Arknights Endfield Essence Tools spreadsheet. Last updated: May 15, 2026 (v0.11).