Nyx and Prompto are good friends. Nyx helps Prompto train to become a member of the Crownsguard and the two bond over their immigrant status (Nyx being from Galahd and Prompto not looking like your average Insomnian). Nyx, the poor fool, falls hard for Prompto and Prompto never finds out.

+ One of them punches a xenophobe for the other.