- Undead Calling
User can summon the undead (both corporeal and incorporeal) from other worlds to help them fight.
- Without precautions, the undead may turn against their summoner.
- Summoned undead may become uncontrollable and put the summoner in danger.
- Summoning may require a sacrifice, such as blood, wealth or life.
- Certain symbols, carvings and/or ceremonies may be needed to summon given.
- Weak against Banishment.
- Ainz Ooal Gown (Overlord)
- Horned King (The Black Cauldron)
- Necromancers (Drakengard)
- Mascarvin (Log Horizon)
- Keyes (Fairy Tail)
- Halloween (Marchen Awakens Romance)
- Megatron (Transformers Prime); possessed by unicron
- Unicron (Transformers Prime)
- Black Cauldron (The Black Cauldron); via the Cauldron-Born