Below is a list of the different Ranks and Rarities that Beasts will have throughout the story.

RARITIES/RANKS:

Common(F~D+)

Uncommon(C~B)

Rare(B+~A+)

Ultra Rare(S~SS)

Legendary(SS+~SSS)

Mythical(SSS+~EX)

Emperor(EX+)

Demi-God

Demon

Trancendent

Divine.

Each Beast Rank can eventually have a [+] next to it which is simply indicative of being a stronger version of that Beast at that specific Rank. The only Rarities that have no Rank attached are the last four as they are their own Rank