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%. Nightfall costs and casts as follows: Instant. It is learned at level 1. It is granted by a talent.

Class

Warlock

Source

Class trainer, Talent

Learned at

Level 1

Spell ID

18094