Originally Posted by
Dominian
It can be a significant dps loss over the course of a fight. The thing is hunters can provide it passivly with pets or warriors with a glyph. For a rogue it is a GCD where they are still auto attacking, would be better if it was a resto in your raid.
The FF provides no eclipse energy so not only does it waste your nature's grace and slows you down 2x but also takes away from a GCD, which for a caster can be alot more important when they can hit/crit from 300k-500k compared to a melee whose damage is mixed between white and special attack damage.
If you have no other options at ALL, yes it is a "raid" dps increase no matter what.