The ancient coins in "Dynasty Warriors: Origins" are very useful and important props in the game. They can be used to exchange things. If you want to use ancient coins, you can go to the water next to Youzhou Province in the north of the map. Exchange things in the mirror's seclusion.
How to use Dynasty Warriors Origin Ancient Coins
Ancient coins can be exchanged at Shuijing Hermitage, located next to Youzhou Province in the northern part of the map. After entering the building, select the "Ancient Coins" option; you will see a screen showing all redeemable rewards, and receive any rewards earned since your last visit.
You don't need to spend Ancient Coins; rewards are automatically earned as you reach each collection stage.
Often the only way to view the bonus stages is to visit the Hideaway. To save time, you can refer to the reward table below: