Essence of Sphinx's Agility

Legendary Potion

Sphinx’s Flight. When you drink this potion, your Dexterity score changes to 29 for 1 hour. The potion has no effect on you if your Dexterity is equal to or greater than that score.
This potion’s transparent liquid has floating in it a feather from the wings of a Sphinx.

Variant of
Essence of Monstrous Agility