Role in the Biggoron Sword Side Quest
Grog plays only a small part of the trading sequence associated with the Biggoron Sword Side Quest. After Anju
a cucco called Cojiro, she asks if you can give it to her brother Grog. Link travels to the Lost Woods
and gives Cojiro to Grog, who in return gives Link an Odd Mushroom to give to the old hag running the Potion Shop in Kakariko Village
, not before stating that he is a 'nice guy'. After giving the Mushroom to the potion lady, she gives Link a potion that she says he should give to Grog. When Link returns he sees Fado
, who is there instead of Grog, who states that Grog has now become a Stalfos
due to the curse of the Lost Woods.