How to evolve Mareanie in Cobblemon.
Mareanie evolves into Toxapex when it reaches level 38.
Evolution line
MareanieWhat Mareanie needs
1 path
ToxapexLevel up
Level 38
Moves it learns on evolving
Baneful Bunker
These are offered the moment the evolution completes. Decline them and you have to relearn them later.
Is it worth it
Mareanie nowpoisonwater305
Toxapexpoisonwater495
Base stat totals, from the Cobblemon 1.7.3 species files.