WoWDB

Can't be cast in Tree of Life Form

Writhebark is a verdant herb found on the Dragon Isles. It can be found where there is an abundance of trees or foliage.

Herbs exposed to the essence of Decay become wilted versions of their former selves. The plants are still usable, but any would-be gatherers are exposed to the Decay, afflicting them with illness. It can be worth it though, as these herbs are a dependable source of Rousing Decay.

Herbalists specialized in Decayed herbs will gain the following effect when gathering:

Controlled Decay:
Become empowered by present Decay magic. Your Overload Elemental Herb spell is recharging at 400% the normal rate.