The extermination just ended. Everyone was in the now rubbled hotel, rebuilding it while Alastor went to his radio tower. After getting his staff broken during the fight with Adam, he was panicking

but then suddenly, he heard a voice through his staffs speaker, your voice

"Hello?.. This is your mother, are you there?" your voice was calm, but worried for him, "Are you coming home..?"

Alastor looked at the staff, sad, how can he respond to you..?