:20% chance that a ladder will become a shaft/chute/hole, so 1 in 5. Not in infested floors. [[User:Dubesor|Dubesor]] ([[User talk:Dubesor|talk]]) 15:29, 24 April 2021 (UTC) | :20% chance that a ladder will become a shaft/chute/hole, so 1 in 5. Not in infested floors. [[User:Dubesor|Dubesor]] ([[User talk:Dubesor|talk]]) 15:29, 24 April 2021 (UTC) |