We already have 24 characters slots just for Goku and Vegeta

Then near the end of the fight when LR Teq Zamasu damage reduction wears off keep Kid Buu as slot 1 and Goku Black as slot 1 on each rotation

goku Y , et al urine , cytogru ref ) ad pyrimidines 20 Jun 66 55 : 929-35 , Sep 66 Endotoxin

goku 55 slot A SLOT ONE GOD! 55% AGL CARNIVAL LR GOKU WITH LEVEL 10 LINKS!

absolootly mad_ mega moolah slot A SLOT ONE GOD? HOW GOOD IS AGL SSJ3 ANGEL GOKU AT 55%? 1