This skills can strip 40 boons in 2 seconds (200 total), prevent them, destroy projectiles and even give a field.
Have you seen the new necro master trait? https://wiki.guildwars2.com/wiki/Feed_from_Corruption
Sounds fun against Revenants and no internal cooldown.
Sounds about proper for engies, guards, other warrs, eles and the rest in spvp...