I turned off HD+, it changes terrain layout.
I looked at nearby terrain and picked a spot for the fight, there are probably better terrains around, I didn't bother looking.
1-Lure Archdevils to create protective pocket
3-Teleport Titans to safe space
4-Clone Titans to hurt enemy so AI goes into Resurrection spam
5-Blind most stacks
7-Kill everything - use Blind + Berserk so that enemy doesn't get to cast spell in case Blind is resisted
Inefficient second attempt sped up 2x because of slow SoD animations - gotta love Turbo WoG
BTW, you should probably level up Gipilollas and get him TP, would help a lot.