A dense marble that hums with the memory of crushed stone.
Passive: Cannonballs can no longer hit runners, and their Boulderbane upgrade deals +2 damage.
質地緻密的魔珠，迴盪著碾碎岩石的記憶。
被動效果：炮彈不再誤傷搬運工，破巖升級額外+2傷害。
PRACTICAL REFERENCE
Acquisition and choice
- How to get it
- General or undisclosed poolStart with Mountains, Dens, and expeditions; if it stays missing, check late Treasure Hunter and Forge rolls.
- How to choose it
- Build dependentPrioritize it when the affected unit or mechanic is already part of your main damage engine.
