Witch-hunter's is a prefix that can appear on Magic Items, providing a bonus to Assassin skills.
Stats
Witch-hunter's
+2 Assassin Skill Levels
Can appear on: Magic Items, Rare Items
Is available on: Katars, Amulets, Circlets
Item Prefixes
+ Assassin Skills — Magekiller's • Witch-hunter's
+ Traps — Entrapping • Trickster's • Cunning
+ Shadow Disciplines — Mentalist's • Psychic • Shadow
+ Martial Arts — Shogukusha's • Sensei's • Kenshi's