Advance Eter

Evolution
Each monster will have the ability to evolve 1 rank up depending on its origin rank
  • N -> R (can not upgrade to SR)
  • Change Skin
  • Ability 1 -> 1.2
  • R -> SR ( can not upgrade to SSR)
  • Change Skin
  • Ability 1.2 -> 1.3
  • SR -> SSR
  • Change Skin
  • Ability 1.3 -> 1.5