Guild Wars 2

As it is, the reduced cooldown being only 80% (1 second cooldown) seems to be quite heavy on the Necromancer, when comparing the long casting time.
But that’s just how I felt it, dunno about others.

My suggestion for gravedigger:
When the enemy is under 50%, reduce the skill activation by 50%, or even to 1/2 second.

Scrap the CD reduction, at 5 seconds it’s already a very low CD skill and really just replacing auto-attack spam with gravedigger spam isn’t terribly exciting (plus, I can’t imagine this is intended, since you would lose out on the chill from the auto-attack as well).