Gate of the Gods Strategy?

Is there a guide for this? I tried Meraxis and got killed before my first turn.

Here is a guide for Gate of the Gods:

https://steamcommunity.com/sharedfiles/filedetails/?id=1404375655

I slogged through enough level 2 fights with Regalis to earn her Avatar and made a Mutilate/Requiem team with Wallflower and Guardian Force.