A somewhat good reference of a blade in my comic i was doing. Not exactly what it looks like but close enough.

"Darksweeper"
Stats: 1 Hand weapon
430-500 damage, 204 DPS
"Only an anthro can wield this blade"
Chance on hit: Inflicts a deadly disease on your opponent, Dealing 1200 shadow damage over 8sec, giving the same amount of health back to the wielder. If this effect is removed by cure and/or other skills, inflict 1200 shadow damage immediately and silencing them for 5sec.

If ya want to see more of this i have more pics in scraps.

Everything done in Maya 2008.