Pyroclasm
Pyroclasm is a Warlock spell in the WoW Forever client.
Gives your Soul Fire spell a 13% chance to Stun the target for 3 sec, and your Rain of Fire and Hellfire spells a 13% chance over their duration to Stun targets they damage for 3 sec.
Data from the WoW Forever client, build 1.60.1.70862, extracted .