Monarch is an optional boss in Octopath Traveler. This magnificent butterfly dwells in Twin Falls in the Riverlands.
After its initial defeat, the Monarch has a 3% chance of appearing as a random encounter in Twin Falls, where it can be captured.
Battle[]
- Mass Slumberwave: Targets entire party. Chance to inflict Sleep.
- Galestorm: Heavy wind elemental damage to entire party.
- Numbing Dust: Targets entire party when at low health. Chance to inflict Unconsciousness.

