The Camerupt Entrepreneur Pokemon Legends Z-A Side Mission Full Walkthrough and Guide

Unlocked after starting Main Mission 20.

A business down in the sewers? Intriguing.

[1] Go underneath into the sewers, the pathway going to Wild Zone 5. Talk to the man. He claims he's got the perfect idea for a business and it involves...going down into the sewers?

[2] Go through the sewers and find him.

[3] Battle him and win.

Spoiler!
It seems he'll make a wild Pokémon sauna??? Well, that certainly is something.

・₽4,500
・Fire Stone x 1
・Charcoal x 1