World of Warcraft/Verifying the Corruption

Region: Felwood
Questgiver: Taronn Redfeather, at the Emerald Sanctuary
XP: 9850
Objective: Explore the craters in Shatter Scar Vale, slay 2 Entropic Beasts, and 2 Entropic Horrors

Entropic Beasts are level 52, Entropic Horrors are level 54. Both creatures look similar.

To explore the craters, you simply have to enter them.