The Well's Unknown Abyss

The Well's Unknown Abyss is a Ten Shadows cursed technique that combines the Nue and Toad shikigami/

Description
By creating the shadows of both Nue and the Toad, Megumi can combine them together to create winged toads to aid him in battle. These toads can fly with increased mobility, as well as use their tongues to restrain opponents.

Megumi first used this technique to fight against Aoi Todo.