User blog comment:B214/Volume 21 info & spoilers/@comment-24.113.129.70-20160416024525/@comment-14.201.211.143-20160416084719

And Vali works like this

V+Og=F

O/(2^n)=On

O-On=Og

V=Vali base, O=opponents base, n=number of divides, On=opponents power after number of divides, Og=opponents power taken, F=final power