While Franmalth attempts to absorb Natsu and Lucy's souls, Mirajane discovers the secret to the demons' immortality in Hell's Core, right before Seilah unleashes the restraints on her own power to take on Mira.
Anyone who steals the Celestial Spirits' 
freedom or hurts them will pay!
!كُلُّ من يسلب الأرواح السماوية حرّيتها أو يؤذيها سيدفع الثمن