Hyrule is filled with collectibles that offer significant upgrades. Heart Pieces, found in chests or as rewards, increase Link's maximum health. Wallet upgrades allow you to carry more rupees. Quiver upgrades increase your arrow capacity. Bomb Bag upgrades allow you to carry more bombs. Collecting Golden Bugs for Agitha provides rupee rewards. Finding all Poe Souls unlocks the Magic Armor. These upgrades are vital for a smoother playthrough.
