Azoth

Azoth is the universal solvent found in Hanako 's blood which can be used to construct, counter, or cure any physical, mental, or spiritual threat. This Elixir of Life comes from the roots of Yggdrasil, and is used to craft the Ars Locks and '''Hanagami Iris. '''All females in Hanako's bloodline down, including Rime, pass on this ethereal substance in their bodies. It is believed that this is the blood Fallen used to recreate the Oblivions.