Zion/Labyrinth of Chaos

Seraph Zion (シオン, Shion) is one of the Three Seraphim, fighting closer to her full power.

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Special Abilities: Absorbs Holy Element.

Biography
One of the super bosses in the Labyrinth of Chaos, Zion is encountered as a floor 100 super boss. Like the other bosses of the Labyrinth, you can’t talk to her in battle; there is no rape scene upon being beaten by her.

Attacks

 * Attack – One Foe
 * Disruptive Wave – All Foes, Auto-Hit, Dispel, 5 Turn Cooldown
 * Angel Footjob – One Foe (Hero), Physical, Pleasure Attribute
 * Empty Sky – All Foes, Physical/Wind Attribute, 3 Turn Cooldown
 * Heavenly Demon Revival – All Foes, Auto-Hit, Holy Attribute, Ascension 30%, 13 MP, 3 Turn Cooldown
 * Mass Gravity – All Foes, Magical, Gravity Attribute, Deal 75% of Current Health (Boss 0%), 12 MP, 3 Turn Cooldown
 * Inner Focused Mind – Self Buff, 3 Turns, +100% Crit, +50% Atk/Agi, 5% Current HP, 3 Turn Cooldown
 * Light Rending Fist – All Foes, Auto-Hit, Physical/Holy Attribute, Ascension 10%, 10 MP, 3 Turn Cooldown
 * Quad Heaven Palm – Random 4 Foes, Auto-Hit, Physical/Holy Attribute, Ascension 10%, 10 MP, 3 Turn Cooldown
 * Graviton Full Burst – Random 6 Foes, Auto Hit, Wind/Hadron Attribute, Stun 13%, 150% damage to Paralyze/Stun/Bind Foes, 6 Turn Cooldown, Learnable

Strategy
Despite being a powerful angel in the main story, for anyone running the LoC, angel super bosses are what you want to fight against. Due to their crippling weakness of having to use mana for most of their attacks, they become useless once mana is drained, and Zion is no exception. Not only that, but Zion also has a lack-luster move set overall, with Mass Gravity being unable to defeat you, 2 attacks that target only one person, and dealing damage to herself whenever she uses Inner Focused Mind. In the worst case, you can just equip everyone with Holy Reflect, and nearly all of her attacks become useless against them, though she WILL absorb the attacks back (note that Holy Null is not enough, unless you also have Physical Null; Reflection/Absorption work if one of the elements can be Reflected/Absorbed, Nulls work if ALL elements are Nulled).

As if that wasn’t enough, Zion has a weakness to Sleep and Blind, while Blind is so-so (due to the evasion system being… rather lacking as of 2.23), being able to put Zion to sleep allows for an insta-kill thanks to Invitation to Eternal Sleep, which the race Elder Succubus can learn.

Check here and here for detailed information on all the super bosses and everything you can make use of to defeat them.