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Boulderbane Runes

Cannonballs now have 60% chance to collide with falling rocks and deal 2 to rock collision damage to them. The chance is increased by 4% per cannonball size.

Main useCannonballs now have 60% chance to collide with falling rocks and deal 2 to rock collision damage to them. The chance is increased by 4% per cannonball size.
When to buySpend mithril here once dens, luck, or forging upgrades are producing enough mithril to avoid delaying the next unlock.
CostGold: 300
Mithril: 1
6 tiers
Active effects
  • Cannonball Rock Collision

Cannonballs now have 60% chance to collide with falling rocks and deal 2 to rock collision damage to them.

The chance is increased by 4% per cannonball size.

Gold Cost300
Mithril Cost1
Active EffectsCannonball Rock Collision
Unlock ConditionRequires at least 2 staffed dwarves in the referenced building.
EffectAdds or upgrades the Cannonball Rock Collision effect.
  • Cannonball Rock Collision
EffectBase ValueTier ValuesPlayer Meaning
Cannonball Rock Collision00, 3, 4, 5, 6, 7, 8Cannonball Rock Collision scales its unique trigger for this entry.
TierGoldMithrilSoul
130011
2140010
3330011
41144410
512122211
688877710
SoundPreviewLength
Cannon10.95s