How to evolve Brionne in Cobblemon.
Brionne evolves into Primarina when it reaches level 34.
Evolution line
What Brionne needs
1 path
PrimarinaLevel up
Level 34
Moves it learns on evolving
Sparkling Aria
These are offered the moment the evolution completes. Decline them and you have to relearn them later.
Is it worth it
Brionne nowwater420
Primarinawaterfairy530
Base stat totals, from the Cobblemon 1.7.3 species files.