-----
FLAAAASH!
Elfina was consumed by the light and power of everybody's attacks, as her black armor began tearing apart into pieces and disappearing on the spot. Without the armor parasitizing her body and soul, the effects of her brainwash quickly began to slowly fade away. Yet, within her soul, the great darkness that was possessing her remained, unwilling to let her go after getting so far in this world.
She appeared within a completely black space, surrounded by black goo and chains and tentacles wrapping around her body, touching it, and absorbing her essence. As Elfina slowly regained her sanity, she realized the horrendous and terrifying horror she was witnessing.
Countless of red eyes opened before her gaze, greeting her.
"So you've woken up. No matter, you're now mine and you shall forever be mine. Your otherworldly powers… the powerful Trait your Origin was born with; it shall be all mine."
Check "The Protagonist's Sister Is Actually the Strongest"!