Half fuel, half ore. The crucible happily burns it for multiplier credit even though miners mostly value it for keeping the forge lit.
| Source | World | Chance |
|---|---|---|
| Rock | Stonewake's Cross | 8.0% (8.0%) |
| Boulder | Stonewake's Cross | 12.0% (12.0%) |
Coal Chunk has no trait — its job is pure multiplier filler. It ranks #27 of 31 non-trait ores in the w1 pool, so the solver reaches for it whenever raw 0.42x beats trait coverage.
Trait coverage: Poopite 30% OPTIMAL
Highest score: 24.5 DPS on Oversized Letter Opener at 35.7% per forge — the no-compromise endgame recipe.
⚡ Load in CalculatorTrait coverage: Poopite 30% OPTIMAL
60 ores divides cleanly by 30% — every trait ore sits at exactly the sweet spot with zero rounding waste.
⚡ Load in CalculatorTrait coverage: Poopite 30% OPTIMAL
Built entirely from mined and crafted ores — no Tower of Hell drops or event items required.
⚡ Load in CalculatorEach recipe loads straight into the crucible with ores, RNG lock and target pre-set. Odds are per forge at the recipe's anvil world.
Coal Chunk carries a 0.42x crucible multiplier — D tier, common rarity — sourced from Stonewake's Cross. A crucible loaded entirely with Coal Chunk forges at exactly 0.42x.
No — Coal Chunk is a pure multiplier ore. Among non-trait filler ores in its pool it ranks #27 of 31 by multiplier, so it earns crucible slots on raw 0.42x power alone.
Rock (Stonewake's Cross) at 8.0%; Boulder (Stonewake's Cross) at 12.0%.
Coal Chunk is early-game filler: 0.42x multiplier is low, so swap it out once better ores from Stonewake's Cross or beyond are unlocked.