My form which is quite the basic form for banish is the following:

One-sub banish formation:

XXX Calvin Cianna
Main XXX XXX
Herja XXX Shayd

Sub: Rhize

NB! NB! NB! : Make sure that Calvin ONLY has 70 Morale (NOTHING OVER, NOTHING UNDER), this is equivalent to a lvl 3 righteousness and all other heros except for mage ofc with 100 morale
I am just over 40 million power, using this form with others in my guild who are 60 mill power and I am doing better than them