While indoors, you can fire your PIECE at the ceiling, bringing down some debris to hit exposed people in the room. Debris will rain down every 5 seconds for 40 seconds and hit anyone not behind cover.

Skill: Gunslinging
Group: Trick shots
Command: GUN CAVEIN
Known: No
Lessons: 301 Lessons
Ability type: Room attack
Can target: Others
Base balance time: 3.00 seconds
Resources required: 1 bullets