Ancient Blades Below is a side quest in Zelda: Tears of the Kingdom, where you will be helping someone. In this case, you assisted a mining construct in gathering 50 pieces of Zonaite.
The Construct is building a temple after taking orders from Mineru. You need to help it gather Zonaite, which is easy to do. In return, you will get an Ancient Blade, which can be used to gain an additional 50 damage if fused with arrows.
In this guide, we will help you start the quest and collect a lot of Zonaite from the Depths.
Talk to Construct in the Spirit Temple
This quest can only be started after completing the Guidance from the Ages Past main quest and completing the Spirit Temple. Once you are done with it, make your way to the back of the Spirit Temple, where you can find the construct standing in the right corner of the room.
Upon talking to the construct, he will ask for 50 Zonaite in exchange for a reward. This will start the quest and add it to your journal.
Find and Farm Zonaite from the Depths
To complete the Ancient Blades Below quest, you must gather and hand over 50 Zonaites to the Mining Construct. There is a chance that you will have 50 Zonaite in your inventory at this point. You can hand them over to complete the quest.
You can use several ways to gather the Zonaite in Tears of the Kingdom. The easiest way is to mine from the caves located in multiple locations on the map.
To mine Zonaite, you need to break the Ore Deposits. You will need a hammer for this, which can be made using Fuse. You can break all the Rock Ore found in the cave using the newly made hammer.
Alternatively, you can go to the mines in the Depths area. These have abundant Zonaite, which you can easily mine.
You can also defeat the enemies in the Depths to obtain a lot of Zonaite. As of now, the item duplication glitch no longer works, so sadly, you can’t have an infinite amount of zonaite.
Once you have 50 Zonaites, make your way back to the Mining Construct. Start the conversation with him and hand over the Zonaite.
Doing so will complete the Ancient Blades Below quest in Zelda: Tears of the Kingdom.
Quest Reward
You will get an Ancient Blade from the quest giver as a reward for finishing the quest. This blade can one-shot most of the enemies when fused with arrows.
You can always return to the Spirit Temple and hand over 50 Zonaites to Mining Construct to obtain more Ancient Blades.
