Kritical Mass II was a heavyweight robot which competed in Season 3.0 of BattleBots. It was a six-wheel drive robot armed with a spinning blade. It performed decently as a rookie, reaching the round of 32.
Kritical Mass II was a successor to the original Kritical Mass, which competed on the first season of Robotica. A revised Kritical Mass also competed on Robot Wars Extreme Warriors as Manta, it also entered Robot Wars Extreme Series 1 in a fight dubbed the International Inferno as Manta where it lost to Panic Attack. The team that built Kritical Mass also built Ultra Violence for the final season of Robotica, which lost to the eventual runner-ups, Juggerbot 3.0.
Kritical Mass II was entered in BattleBots to test the machine for Robot Wars: The Second World Championship where it competed under the Manta name.
Season 3.0GoldDigger. GoldDigger won the match on a close 23-22 judge's decision and Kritical Mass II was eliminated from the tournament.
Kritical Mass II wasn't finished, however, as it participated in the heavyweight consolation rumble at the end of the tournament. After attacking Slam Job and Towering Inferno with its spinning blade at one point, Little Sister flipped Kritical Mass II on its back against the spikestrip. Kritical Mass II was left there for the rest of the rumble and both Little Sister and Kill-O-Amp were declared the winners of the heavyweight consolation rumble.
- Wins: 2
- Losses: 1