Energy absorption was the ability to drain magically energies and life forces from another being. Some users used this to sustain themselves, as with Der Kindestod, the Incan Mummy and Glorificus, some used this to empower themselves, like witches, while other use the energy as currency in hell dimensions, as with the Smile Time puppets.
Severin naturally possessed the ability to drain other beings of their magical power and life force.
- Der Kindestod drained life force from sick children.
- The Tak horn sported by Kungai demon had the ability to drain the life of those stabbed with it, leaving behind little more than blackened ashes.
- The Root Monsters had the ability to drain life force from all living being and even others demons like Groosalugg.
- The Smile Time cast had the ability to absorb life energy from children.
- The Najakot Demons absorb magics from Witches and Warlocks.
- The Incubus absorb life form from human women.
- The Inca Mummy absorbed life force from her victims to temporarily restore herself to a human appearance.
- The offspring of the Bezoar could drain the energy of a future human host in order to be operational before the hatching.
- Glorificus could drain sanity from humans.
- Severin, the Siphon, could drain powers and life force from all supernatural beings.