...gaining the android's copied power, including Moro's own.
Franmalth (Fairy Tail) can Evolve by absorbing the souls of other beings.
Meruem (Hunter X Hunter) consumes the flesh of a Nen user, assimilating their aura and powers.
By repeatedly consuming other Ghouls, Ken Kaneki (Tokyo Ghoul) assimilated enough Rc cells to mutate into a powerful Kakuja.
Kapellmeister (Marchen Awakens Romance) transformed into a demonic being after absorbing his own Ghost Chess henchmen.
By continually absorbing/consuming other monsters, Alucard (Rosario + Vampire) evolved into a creature powerful enough to destroy the world.
Gourmet Cells (Toriko) evolve when their user consume delicious foods that suit them and the 'tastes' of the cells, enhancing the strength of the user and their abilities.
Predator X's (Marvel Comics) genetics were left intentionally incomplete, allowing its DNA strand to evolve with every meal. This allows for increased size and to form defensive attributes against powers similar to its victim's.
An Eater that has assimilated multiple humans therefore becomes much more humanoid in appearance.
The Thing (John Carpenter's The Thing)
Aldrich, Devourer of Gods (Dark Souls III) is strongly implied to have assimilated the frail remains of Gwendoline, Nito, and Priscilla, creating the form that he has now.
Android 21 (Dragon Ball Fighter Z) evolved and obtained an entirely new level of power after absorbing Cell.
Mira (Dragon Ball Xenoverse) ascends to his Final Form by absorbing his creator, Towa, and Tokitoki's egg.
Bass.EXE (Mega Man Battle Network) evolved and obtained godlike power by absorbing the deleted data of viruses and other Navis.
Dehaka (Starcraft) is a notable Primal Zerg who can evolve by assimilation.
The Goliath (Evolve) is one of the monsters that are able to gain life, armor, abilities and grow in power by eating other life forms.
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