it's an idea, but how about-
-15% health on wearer
-30% attack speed
+8% fire resistance
On a successful backstab, wearer takes 10% of victims health and adds 25% cloak

"An ancient artifact for which the weilder holds a strong, ancient power."

Level 28 knife

TheTomb Slasher

Assassin's Artifact
The Backstabbers Boomslang
The Crown of the Old Kingdom

Item set bonus:
Leave a Calling Card on your victims.


Anyone else think this is good?