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Githyanki Greatsword
Githyanki Greatsword
Uncommon
2d6+1 Slashing
Githborn Psionic Weapon: When wielded by a githyanki this weapon deals an additional 1~4 Psychic damage.
Weapon Enchantment +1
Proficiency with this weapon type unlocks:
Though heavily decorated and inlaid with rubies, the blade's sharp edge suggests its use isn't merely ornamental.Greatswords Two-Handed
Location - Githyanki Greatsword
Located in 
Mountain Pass. Carried by Sarth Baretha (Lv. 6).
Discussion
Carried by multiple githyanki in the Crèche Y'llek, and can be later found in various places of githyanki influence.
Gale can absorb the Magic from this Item. If Gale consumes it, it vanishes forever. That is irreversible and unavoidable.
(There is better food for Gale: Ring of Color Spray, Frayed Drow Hood, Sunwalkers Gift, Everseeing Eye Necklace, Exterminators Axe; Hunting Shortbow, Kormira's Locket, Spiderstep Boots.)