This is the word that appears in N's nightmare. Q doesn't have one since she isn't a coward. she is also the one who wakes N from his nightmare. BTW, the reason why there's two U's is because it's only a nightmare and isn't reality.
Credit 2 Every1, especially @AlfabetonsOfficial for the background and the base of U. The music is Creepy Atonal Classical Horror by Rafael Krux.
