S Tier

Alien CoatingTier-5 mutation lockLocks the Alien mutation (×3.25 value) onto one ore.Galaxy CoatingTier-6 mutation lockLocks the Galaxy mutation (×5 value) onto one ore. Highest multiplier available.Devil's Growth GemTop regen boost12x ore regeneration for 15 minutes. Top Growth Gem.

A Tier

Crystal CoatingTier-3 mutation lockLocks the Crystal mutation (×2 value) onto one ore. Sweet spot for most players.Void CoatingTier-4 mutation lockLocks the Void mutation (×2.25 value) onto one ore.Super Growth GemLate-game regen boost6x ore regeneration for 15 minutes.

B Tier

Ore CleanserMutation resetRemoves an existing mutation from one ore so you can apply a different Coating.Large Growth GemMid-game regen boost4x ore regeneration for 10 minutes. Doubles the Small Growth Gem output and duration.Frost CoatingTier-2 mutation lockLocks the Frozen mutation (×1.75 value) onto one ore.

C Tier

Small Growth GemEntry regen boost2x ore regeneration for 5 minutes. Cheapest Growth Gem and the natural first purchase.Rust CoatingTier-1 mutation lockLocks the Rusty mutation (×1.5 value) onto one ore. Cheapest Coating.