Doom-Ba

The Doom-Ba is a device that comes in many variations and is employed by Donatello as his Character Power in Injustice 2.

Remote Doom-Ba 4000: Nullifies projectiles. Zoom-Ba Doom-Ba 5000: Electrifies the floor, damaging the foe and preventing the from jumping. Vacuum-Ba Doom-Ba 5050: Pulls the opponent toward the Doom-Ba.

Trivia

 * Its name is a play on the Roomba line of automated vacuum cleaners.