Rise of the Undead Legion - Chapter 4 Recommendation Letter

... e to use it more often and will be able to reduce its cost. However, this is a skill with a low tier, even if you reach a grandmaster level with it, it will still deal low damage compared to mythical tiered skills"

"Could you tell me about the tiers of skills and the tiers of mastership of a skill?"

"Oh, there are five tiers of mastership of every skill. It starts with amateur, to beginner, expert, master, and grandmaster. One must reach 10 levels of each tier to reach anothe ...