[High Difficulty] The Demon of Heaven's Thunderous Descent

Demon King of the Sixth Heaven
Battle Start: I'll Be the Judge of Your Worthiness to Eradicate the Demon: Increase own DEF by 25% (Permanent, 3 stacks, total 75% DEF). [Removable]
Special Skill: Those Who Hold Life Are Precious. Begone. Let the Burning Hell of Eternity Begin!: [Used when DEF Buffs are removed via method aside from Break] Remove all debuffs from self. Increase own ATK by 50% [Permanent, Unremovable]. Increase own Critical Rate by 50% [Permanent, Unremovable]. Increase own DEF by 30% [Permanent, Unremovable].

Demon King (Shinobi)
Upon 1st Break: I Still Have Two Transformations Left: Remove a DEF buff. Decrease DEF for all enemies by 30% (3 turns).

Demon King (Ironclad)
Upon 2nd Break: Want to Consider Working for Me?: Remove a DEF buff. Decrease ATK and DEF for all enemies by 30% (3 turns).

Demon King (Heretic)
Upon 3rd Break: I'm at Full Power! Now, Turn Back into Ashes of the Third Heaven!: Remove a DEF buff. Increase own ATK by 30% (3 turns). Increase Critical Rate by 30% (3 turns). Decrease ATK and DEF for all enemies by 30% (3 turns). Decrease Critical Star Drop Rate for all enemies by 50% (3 turns).