• Spawned by having a Black Abyssite and resting on top of it. Your Abyssite will shatter upon contacting this NM.
• Immediately goes back into hiding if all members on its hate list are defeated (including defeating the Abyssite-holder before any alliance members can act) or if its current target is more than 25 yalms away.

• Another player holding Black Abyssite can still contact Yilbegan in this case, but the original holder will have lost his/her Abyssite.

• N/A

• Uses all Zilant special attacks:
• Soul Douse (frontal)
• Dancing Tail (rear)
• Sinister Wing (left side)
• Dexter Wing (right side)
• Chaos Blast (any position)
• Dark Star (any position)

• HP cloak. Will be briefly revealed after it uses Chaos Blast.
• Occasionally gains an aura that inflicts Bio on players within range.
• Possesses resistances to all forms of damage that vary depending on its current stance.

• Wings Down: Physical Blue Magic Damage-50%

• Wings Down/Casting Spell: Ranged Damage-100%, Magical Damage-?, Physical Blue Magic Damage-10-15%(Confirmed)
• Wings Down/Using a TP Attack: Physical Blue Magic Damage-100%(Confirmed)
• Wings Up: Physical Blue Magic Damage-10-15%(Confirmed)
• Wings Up/Casting Spell: Ranged Damage-100%, Magical Damage-?, Physical Blue Magic Damage-50%
• Wings Up/Using a TP Attack: Physical Blue Magic Damage-50%(Confirmed)

• Under Aura : Will cast Darkness-Based spells : Stonega III, Blizzaga III, Waterga III, Slowga, Paralyga, Bindga.
• No Aura : Will cast Light-Based spells : Aeroga III, Firaga III, Thundaga III, Graviga, Silencega.

• Dispelga regardless of aura.

• -ga III spells seem to be very weak, inflicting around 300 damage. The exception is Meteor, which is able to inflict upwards of 800. Fortunately, cases of Yilbegan using Meteor are extremely rare
• It is possible, though difficult, to dodge Dancing Tail by running outside its Area of Effect. It is also not recommended when several Blue Mages are in the alliance, since this is their damage-maximizing phase.
• All of Yilbegan's Area of Effect TP moves and magic will affect any player in range, regardless of hate or whether s/he is in the alliance that claimed it. They will also affect players riding Chocobos.

(see testimonials)