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