The Dead Walk

Invocation Type: Lesser

Spell level equivalent: 4

You can summon undead skeletons or zombies with your infernal power. This invocation lasts 1 hour per level. The type of undead created is dependent on your warlock level:
 * Levels 1 to 5: Skeleton
 * Levels 6 to 9: Zombie
 * Level 10 or more: Skeletal Warrior