I chatted with my Familiars for a while before they went back to the Dungeon, everyone had to continue their training and couldn't go back to the city floor.
It seems that my Familiars as well as some of my children have been in the Undead City for the past few days since the monsters there aren't much of a threat to them.
After my Familiars left, my sisters began my training, which clearly started with me screaming not in pain, but in the fright of having my entire arm ripped off by Natasha.
"You're crazy... what the..." (I)
Before I could finish my sentence that would be as delicate as a plane falling on top of a flower garden, my arm that had been torn off grew again, in fact, the blood came out of the wound taking the shape of an arm until it was completely the same to the arm I lost.
The arm that had been torn off dissolved into red energy that came back to me, this cannot be called just regeneration, this is immortality.