William's so-called 'brain duel' actually played a clever trick.
This method of placing brain cells into a container is indeed related to the brain, but it also involves another important ability–[Clone].
William has spent a long time in the City of Evil, entering and exiting Mobius many times, and he is well aware that Ruben, although proficient in [Clone], mostly relies on selecting similar individuals from asylums for body occupation. Creating clones through personal cell division is rare.
As the sole heir of the Evil Cancer, William has fully mastered the ability of clone creation through the perfect division of cancer cells.
Moreover, to achieve a more perfect 'Joint Avatar,' William also utilized the fertility ability of the flock.
