Dominia wants to see the completed Pokédex entry for Bergmite.

The Request

Talk to Dominia at the Pearl Settlement in the Alabaster Icelands to accept this request.

Research Bergmite

Bergmite can be found in the Alabaster Icelands, in the Avalugg's Legacy area and the Arena's Approach area. Complete research tasks in their Pokédex entry and talk to Professor Laventon to report your findings. Continue doing this until the Research Level of Bergmite's Pokédex entry is 10. Then go back to the Pearl Settlement in the Alabaster Icelands and talk to Dominia.

Reward

You get 3 Grit Pebbles.