Your Shadow Bolt critical strikes increase Shadow damage dealt to the target by (4%/8%/12%/16/%20%) until 4 non-periodic damage sources are applied. Effect lasts a maximum of 12 sec.
*Edit* Curse of Agony also appears to have this consuming effect.
Your Shadow Bolt critical strikes increase Shadow damage dealt to the target by (4%/8%/12%/16/%20%) until 4 non-periodic damage sources are applied. Effect lasts a maximum of 12 sec.