Below is a walkthrough for Main Quest 19: The Humongous Lens in Eiyuden Chronicle: Rising.
Follow the hidden passage
Enter the hidden passage. Keep following the path to reach the Snowpeak – Summit Menhir and move to the new location. Head right, fighting through enemy after enemy after enemy, until you reach Blizzard’s Point signpost. Once you finally make it, continue right and approach the ! to trigger a dialog event. Afterwards, defeat the 2 headed Blizzard Brothers boss. After the dialog event, the quest will complete!
Rewards
- EXP: 3000