Category:Critical Amputation

Amputation - When this weapon hits a warjack or a warbeast, fill in the unmarked damage boxes or circles on the last column or branch damaged.	Edit description
Critical Amputation - On a critical hit on a warjack or warbeast, fill in the unmarked damage boxes or circles on the last column or branch damaged.	Edit description

Rules Clarification : Amputation (Edit)

Amputation triggers after you've marked normal damage. So it goes: Roll damage ; mark damage ; fill in unmarked boxes/circles.(Infernal Ruling)
Amputation doesn't do anything if no boxes are filled in / the attack deals no damage. (Infernal Ruling)