She was once human, that is what she remember.
Instinct tell her to kill and eat, savage and destroy.
Reborn as the lowest of the tower of power she forsake her own species to climb up to the epitome of it.
To become a Lord.
Inspired by Spore
Have really little elements of Re:Monster, like reincarnation, because you can't have a toadpole speak of chemicals and physics.