12 bp are merged into 1

if you have not updated killshot or panther yet upgrading by 2 factors is easier now. As epic need far less bp than uncommon till 5*

https://kodi.bio/

upgrading from 5* is difficult as it requires lot of bp

https://mobdro.bio/

now if your mech is 4* or 5*.... great you lose both ways....plarium is plarium