Imbue an item with a malignant strain of N'Zoth's Corruption.
|Tinterface\icons\ACHIEVEMENT_BOSS_YOGGSARON_01.BLP:24|t |cFFFFFFFFTwisted Appendage|r
Your attacks have a chance to spawn a tentacle which Mind Flays your target for 16.8242 × SP Shadow damage every second for 10 sec.