I recently got Knight Fortress, Ragna Rage, and Bahamut Blitz. I'm not sure which combos to use.

I have Dran Brave, Hells Reaper, Wizard Arc, Perseus Dark, Fox Brush, and Cerberus Flame. Not great, I know, but it's what I've got.

I have most ratchets and bits aside from anything newer than the CX Expand launch.

Ragna Rage flow erase 9-60 low rush