Zisu at the Training Grounds in Jubilife Village asks you to battle one of their members, whom they call their Secret Weapon.

The Request

To accept this request, talk to Zisu at the Training Grounds in Jubilife Village and agree to battle their secret weapon. There will be a cutscene.

Battle Ress

Ress has a level 62 Bidoof, a level 62 Shinx, and a level 62 Starly.

Reward

Afterward, you get 3 Grit Rock.