Deigan certainly is one of noh theatre’s most perplexing mask, one of the most difficult to define because of its eerie expression and ‘human yet non-human’ features. It is in fact used for a number of different characters, from malevolent spirits to ghosts of elegant courtiers, to dragon goddesses. So much that Square Enix designers picked it up for a character (a villain of course) in one of their forthcoming videogames.
Here below is how a real deigan mask would look like.
