Dal Shabet

Should we define them ourselves, or will you write them?

No, that's not really important. The main thing is that your characters and Illaria perceive this person as a friend who has always helped them. Memories can also overshadow the memory of other close people, replacing fathers, brothers, loved ones, and so on, replacing them with this guy's face.

Adrian casts Veil on himself and swims towards the wreckage, looking for the monster.

The monster was still patrolling the perimeter of the wreckage and, at that distance, was not paying attention to Adrian yet.