You need the Azure Damascus Ingots to upgrade your swords and bow. A total of 20 can be found, which is exactly the amount you need to upgrade both weapons to the maximum. You can upgrade weapons at the Kaheva forge.
Once you collect 5 ores, you will unlock the "Natural Resources" achievement / trophy. You need to collect them all to fully upgrade sword and bow and unlock the "Blessing of Shamshir" achievement / trophy.
Azure Damascus Ingot (Hidden Village)It counts as a Hidden Village Valuable Item.
Azure Damascus Ingot (Lower City #1)It counts as a Lower City Valuable Item.
Azure Damascus Ingot (Lower City #2)It counts as a Lower City Valuable Item. To get here you need the "Gravity Wings" power.
Azure Damascus Ingot (Lower City #3)It counts as a Lower City Valuable Item.
Azure Damascus Ingot (Lower City #4)It counts as a Lower City Valuable Item.
Azure Damascus Ingot (Lower City #5)It counts as a Lower City Valuable Item. The Prophecy of Mount Qaf quest reward (25 jars returned).
Azure Damascus Ingot (Pit of Eternal Sands #1)It counts as a Pit of Eternal Sands Valuable Item. To get here you need the Dimensional Claw power or Chakram Shadow of the Simurgh ability.
Azure Damascus Ingot (Pit of Eternal Sands #2)It counts as a Pit of Eternal Sands Valuable Item. To get here you need the "Fabric of Time" power.
Azure Damascus Ingot (Raging Sea)It counts as a Raging Sea Valuable Item.
Azure Damascus Ingot (Sacred Archives #1)It counts as a Sacred Archives Valuable Item. Pay attention to how the stairs move and when the gate to this room opens.
Azure Damascus Ingot (Sacred Archives #2)It counts as a Sacred Archives Valuable Item.
Azure Damascus Ingot (Soma Tree #1)It counts as a Soma Tree Valuable Item.
Azure Damascus Ingot (Soma Tree #2)Mysterious Chest Puzzle (7). You need to properly position the three statues. Instructions on how to do this can be found on the stele standing nearby. It counts as a Soma Tree Valuable Item.
Azure Damascus Ingot (Sunken Harbor)It counts as a Sunken Harbor Valuable Item.
Azure Damascus Ingot (The Depths #1)It counts as The Depths Valuable Item.
Azure Damascus Ingot (The Depths #2)It counts as The Depths Valuable Item.
Azure Damascus Ingot (The Impossible Climb)It's a reward for completing "The Impossible Climb" side quest.
Azure Damascus Ingot (Tower of Silence)It counts as a Tower of Silence Valuable Item. The chest will attack you when you open it and you must kill it.
Azure Damascus Ingot (Upper City #1)It counts as an Upper City Valuable Item.
Azure Damascus Ingot (Upper City #2)It counts as an Upper City Valuable Item.
