Rogue or Warrior

A cat named Dexter or short form Dex, is a rogue who lives in a small beat up town who tries to show his strength and trys to become the top of all the rogues!
But after being defeated by the top cat Zee, Dex is desperate to get stronger and wants to become top cat like his father before Zee.
Dex learns that he must go to a forest of clan cats that are warriors and he must become a warrior to learn there ways and to get stronger to defeat Zee and sometimes keeping a secret from mighty warriors of using the them for strength can be the most dangerous thing to do...
But a prophecy Is held:
"A tom, with pelt black as a ravens feather, eyes as blue as the crystal water, night and frost will come acros the clans and will save the four from a shadow that will linger over them all"