peck blindness can be cured ?

I know it can be cured by truesight, but how it can be cured by commune or spell ? You peck at the eyes of Aewir, drawing blood. << BLINDED Your pecking beak hits Aewir. Aewir has some small but disgusting cuts. flee flee Your peck mauls Aewir. Aewir parries your peck. You dodge Aewir's divine power. Aewir is covered with bleeding wounds. Within the Maw of Stone [Exits: up down] A black rift flickers and blurs in the air, absorbing the light. You flee from combat! You aren't fighting anyone. u Above the Chasm [Exits: south down] (White Aura) Aewir is here. A Nightwalker defends this place without question. A crackling hiss from a shadowy Nightwalker breaks the silence of the abyss below. (You intuitively sense that a shadowy Nightwalker just greeted you.) shape tiger You flicker and blur into the shape of a tiger. You maintain your speed as you shapeshift. You maintain your levitation as you shapeshift. [SCION] a shadowy Nightwalker: Intruder! Intruder! Aewir is raiding the Cabal! Aewir's divine power MUTILATES a shadowy Nightwalker! whe Aewir closes his eyes with a look of concentration for a moment. Aewir is no longer blinded. << CURED