Nightfall
Gives your Corruption, Drain Soul, Drain Life, and Wrack spells a 4% chance to cause you to enter a Shadow Trance after damaging the opponent. The Shadow Trance reduces the casting time of your next Shadow Bolt spell by 100%.
Gives your Corruption, Drain Soul, Drain Life, and Wrack spells a 4% chance to cause you to enter a Shadow Trance after damaging the opponent. The Shadow Trance reduces the casting time of your next Shadow Bolt spell by 100%.