In The Legend of Zelda: Skyward Sword for the Wii, you can upgrade the bows in the game at the Scrap Shop by collecting various items throughout the world.
Here are the bow upgrades, and what you need to collect to upgrade them.
Iron Bow – Upgraded From: Wooden Bow, Cost: 50 Rupees, Ingredients: 2 Eldin Ores, 1 Evil Crystal, 3 Monster Claws, 3 Tumbleweeds
Sacred Bow – Upgraded From: Iron Bow, Cost: 100 Rupees, Ingredients: 2 Evil Crystals, 1 Goddess Plume, 3 Lizard Tails, 5 Tumbleweeds
Check out my full upgrade guide if you’re looking for the other upgrades for equipment, potions, and wallets.
