Noctis honestly wouldn't mind if Nyx just warped with him - not like he's going to get sick or anything. But Nyx's steady pace and quiet humming and the warmth of his body lull him into a light doze, and at some point Carbuncle scampers up to Nyx's shoulder and drops Noctis' jacket into his lap before dissipating into light that vanishes back into Noctis' pendant.