Purgatory just doesn't quite cut it. My personal thoughts
I got the 5 star from arena and took her to Sig 200 and have been trying her in a variety of ways... And these are my thoughts so far...
She's not overly suicide friendly despite the sp3 spam.
So the idea is to get to sp3 once. And activate demon mode on the way. Then her power gain becomes nuts. Then you wanna spam sp3 until the demon mode runs out. Just before it runs out, use sp2 for max damage. Use the sp1 if you need to get to demon form quicker if it expires at a bad time. (After 9 bars of power are built you take her soul which also gives added benefits per fight and increases her sp3 damage for the rest of the fight. (If there's a better rotational please post below)
She was spamming sp3s very quickly in labyrinth which hit the abyss cap everytime. And that's only a 5 star.
Pros.
Amazing power gain
Great sp2 and sp3 damage in demon form
Decent base damage.
After the souls are taken she gets great benefits and also has a good damage increase and neutralises the opponent for the rest of the fight preventing buffs.
Cons.
Aggressive playstyle and no power control means having to bait specials can slow her down
Her regen on sp1 is virtually useless. Don't rely on it apart from getting back to demon form quickly.
Getting to 9 bars of power before she really shines makes short fights longer but she's decent for longer fights.
If her medium drained half a bar of the OPPONENTS power in demon form, instead of drain your own for a weak incinerate. I honestly think she'd go from a mediocre but fun champ to an amazing one... Maybe also change it to 6 soul shards instead of 9. It takes a very long time to take her opponent's soul especially in longer fights...
If anyone wants to see any videos add me on line. My ID is scorpy666
Thanks for reading if you made it this far.