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Crazed Undergrell are grells encountered at Bladesong's Retreat in Val'sharah. They are fought during the "Undergrell Attack" rare mob encounter.
- Poison Bolt - Shoots poison at an enemy, inflicting Nature damage, then additional damage every 5 sec. for 10 sec.
- Bite their knees!
- Bonk them to the ground!
- Scratch their feets!
- Smash their smashies!
- Take their stuff!