|Level:||10 Tier 2 Solo|
|Location:||Anywhere a viper den (looks like a pile of tan rocks) spawns - see below ( -58, 17, -55 ) /waypoint -58, 17, -55|
- If a viper den spawns, kill all the lowland vipers around it and a noxious viper will spawn. Kill the noxious viper for a chance to spawn A Malevolent Viper.
- A Noxious Viper, a nearly-identically named but unrelated named monster in the Edgewater Drains.