Dragon's Dogma 2 - Secret Lore to Defeat Sphinx (No Unmaking Arrow)

Platform: PC/Steam
Game: Dragon's Dogma 2
This video shows how to defeat the mythical creature as showcased in the hidden message and game footage.
Unmaking Arrow not required.
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(Update!)
Requirements:
-Attack only the torso, back, legs, and wings.
-All damage from pawns will not affect the combat riddle disqualification.
So, feel free to recruit as many pawns as you need to defeat Sphinx.
Repeated damage to the head/face of Sphinx dealt ONLY by the Arisen will disqualify you from the combat riddle rewards.