Level(s)	Title
1	Apprentice
2-4	Novice
5-9	Cutthroat
10-14	Stalker
15-19	Killer
20-24	Nightstalker
25-29	Murderer
30-34	Manhunter
35-39	Nightblade
40-44	Assassin
45-49	Revenant
50-53	Master Assassin
54-57	Shadow Master/Shadow Mistress