¶ 
Frightful Blast
Type of feat: invocation
Prerequisite: warlock 2, charisma 12+
Specifics: This eldritch invocation allows you to change your eldritch blast into a frightful blast. Any creature struck by a frightful blast must succeed on a Will save or receive -2 Attack Bonus, -2 Armor Class, and 20% Spell Failure for 1 minute. Creatures with immunity to mind-affecting spells and abilities or fear effects cannot be affected by a frightful blast.
Use: selected.