G Black is a special borg that was found only at a special Capcom event, but is possible to get through a glitch called the 20th force glitch and Action Replay.
The force numbers needed to get G black are 2,4,6,10,11
Whenever G black gets to level 100, he will sometimes become invincible.
This article is a stub! You can help the wiki by contributing vital data and expanding it.