Few Notes that needs confirmation from others:
*RUN is great on this.
Retributionist [Endark,Stun,Aspir,Soul Eater]
-Nether Castigiation [After Boil Over Message][Safe 20']
-Eisenschneider [After Miasma Message][30'?]
-Atramentous Libations [AoE dispel for multiple random buffs, re-apply buffs after it][Also Hate reset]
Takes 50% less damage from all sides? When "Charger" Is alive and possibly 90% from front.
Do NOT cast any enfeebling magic on it at all or else it starts charging.
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Ranger Setup works but focus on white damage only.
MB setup works too but we did it without a GEO and it was slow.
The amount of WS's done seems to trigger messages that gives it access to its AoE.
So possibly just mele zerg with activated AM3 Empy on "Charger" will be enough to down it.
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Charger has [Enlight][High Double Attack Rate and Forced Criticals]
-Atramentous Oblation
-Scintillant Lance [Conal High Damage] [Foil,Scherzo works]
-Ramparnt Stance [Stun,AoE Magical?damage]
-Damsel Memento [HP restore]
-Grace of Hera [Full Erase, and absorbs damage during this move]
The Key to kill it as fast as possible is to keep it locked in [Grace of Hera] Mode by spamming enfeebling magic, just dont ws while its doing TP.