Sword Hilt, Axe Grip and Spear Grip of personal preference.
Unique versions are
Tactics or Command requirements are a main choice. Specific inscriptions such as armor vs Demons or vs Fire depend on the location.
Often used by trappers
For Perma-assisins you'd need 9 earth magic and a Staff Wrapping of Enchanting
(/ + Shadow Form + Sliver Armor)