The last two technical characters for Gekishin's base roster got revealed: Android 17 (shielder, debuffer) and Hit (assassin)

https://youtu.be/opDz1lKsQnU?si=OB2ExVnc_FuUqQyN

https://youtu.be/jlqx0AiKXmE?si=b2RBs7RF72bAqI5u

Gamma 1 also gets shown in 17's video accidentally, presumably he's one of the last two DPS characters which means there is only one character left to reveal for Gekishin's base roster.