Din's Pearl is an item found in The Legend of Zelda: The Wind Waker that is used to make the Tower of Gods to appear out of the ocean with the help of the other two pearls.You get Din's Pearl on Dragon Roost IslandPrince Komali, a young Rito which is the race that inhabits the island. When their time comes, young Rito visit Valoo on top of the volcano to gain their wings. But when you arrive, Valoo is being disrupted by the monster in the volcano, Gohma. You have to ascend Dragon Roost Cavern and defeat Gohma to save Valoo. Prince Komali gives you Din's Pearl before he goes to visit Valoo to earn his wings.