Below is a walkthrough for Main Quest 23: The Guardian Peacekeeper in Eiyuden Chronicle: Rising.
Go after Mellore and her followers
At the Charred Crossing signpost, head right a short ways then take The Lava Ruins map transition. Follow the path through this area to arrive in the next area with the Fallen Chamber signpost. Keep pressing through the areas until you reach the ! to trigger a dialog event followed by a boss fight. Defeat the enemy to continue the dialog event. When it concludes, the quest will complete.
Rewards
- EXP: 4000