Items and economy

Gems

Seven gem tiers from Feeble to God. They upgrade weapons step by step, or can be spent from the bank for a flat chunk of combat XP.

See it on the systems map

Rules and numbers

confirmed Using a gem gives flat XP to one of Strike, Heft, Sight, Draw, Focus or Surge: Feeble 1,000, Dire 10,000, Savage 25,000, Fell 50,000, Ancient 100,000, Chaos 200,000, God 1,000,000.
Source: Constants.js:981; Constants.js:988-996
confirmed Feeble to Ancient gems drop from slay mobs of the matching tier, Chaos gems from Chaos mobs at 1/5,000.
Source: mobs.json
dev note The God Gem and Chaos/God weapon components come from the Chaos Dungeon at 1/5 of the band's special rate (components C6, God Gem C7).rate = bandSpecialRate / 5
Source: Constants.js:5109-5120
confirmed A gem upgrade takes the previous weapon plus one of every gem up to its tier (Savage costs Feeble + Dire + Savage).
Source: Constants.js:3156-3158
confirmed Scrapping a gem weapon back into its gems costs 100/250/500/1,000/5,000 gold by gem tier.
Source: Constants.js:2819
dev note Every gem used for XP is one not spent on the weapon ladder.
Source: Constants.js:985-987

Connected systems

Gems God Gem from Chaos Dungeon
Gems upgrades weapons for Combat
God and Chaos raws combine with Gems
Gems dropped by Mob drops
Gems converts into combat XP per action

Arrows show who acts on whom: → this system acts on the other, ← the other acts on this one, ↔ both do.

More in Items and economy

Almanacs · Bard · Barter · Brewing · Collection log · Discover · Food healing · God and Chaos raws · Gold and item values · Mob drops · Plunder · Skills overview · Total level · Treasure chests · Treasure scrolls

Statuses: confirmed is a value or rule in the game files; observed is measured from recorded play; dev note comes from a developer comment, tooltip or patch note; inferred is worked out from the files with the assumption stated; unknown is decided on the server. Game data read 2026-10-03.