The Burning Crusade expansion contains several mobs that are capable of being harvested upon "death".
- Withered Giant
- Withered Bog Lord
- Starving Bog Lord
- Starving Fungal Giant
- Bog Lord
- Fungal Giant
- Hungarfen
- Bog Giant
- Underbog Lord
- Bog Overlord
- Underbog Colossus
- Rotting Forest-Rager
- Infested Root-Walker
Many random tentacles can be found in places, such as the Strange Tentacles in Ruins of Vashj'elan and others in Vashj'ir, and most when killed can be harvested for herbs.