Nox Nyctores can be recalled

As if remembering, Tsubaki held out the sword bag that was propped up beside her. She untied the string that had been around it and opened the bag. Inside was a single sword in a blue scabbard with a silver-green handle.

"Yukianesa...”

The luggage they had been told to pack was almost gone. There were only a few pieces of minimal equipment lying around from when they left the encampment with Grimwood.

Yukianesa was nowhere to be found, but that was a Nox Nyctores. If he needed it, he would just call out to it and it will come back, like a summoning spell. That's what Jin thought when it was gone, so he didn't pay much attention to it.

Blazblue: Spiral Shift (Chapter 6)