Tin Ore is a resource item for use in bronze, iron, and titanium ingot forging.
When a Corgi or Pegasus Rock Golem is defeated, it may leave behind a loot chest containing this ore. It comes in very large amounts from the latter enemy.
It can be obtained by mining in Applewood mountains, Gem Mines deep hall
Way Out gives the player 30 tin ore for helping him out of the Crystal Caves (repeatable).