a few things to notify about this event:
1. it's the last raid event we get good rewards with pp, starting next raid event we'll get only gacha tickets from them.
2. standard is dark element while expert and ragnarok are fire events.
red expert-
her raging gauge will go up after she is attacking (not raging) and restore rage when she is already raging.
when she is not raging she'll attack 3 random kami with her stronge move, and while raging she'll attack 1 random kami.
blue expert-
same as red, with normal attack her rage gauge will go up, and when raging it'll restore some it.
however, in her strong moves, raging or not she'll attack all your kami.