One bomb is fine, but three, well that's just niiiice. Strap three identical IEDs together and fling them in the room, increasing the blast radius of the device to all adjacent rooms as well.

Skill: Improvisation
Group: Manipulation
Command: IED MULTIBOMB <BOMB>
Known: No
Lessons: 1531 Lessons
Ability type: Room attack
Can target: Others
Base balance time: 4.00 seconds
Cooldown time: 40.00 seconds