Powerful Anti-Venom is created through First Aid with a skill level of 300.
The formula is sold by:
- Argent Quartermaster Hasana in Tirisfal Glades
- Argent Quartermaster Lightspark in Western Plaguelands
- Quartermaster Miranda Breechlock in Eastern Plaguelands.
Powerful Anti-Venom as a quest objective
- Turns yellow around skill level 300.
- Turns green at skill level 330.
- Turns gray at skill level 360.
- Patch 1.6.0 (12-Jul-2005): Added.