How to evolve Slugma in Cobblemon.
Slugma evolves into Magcargo when it reaches level 38.
Evolution line
SlugmaWhat Slugma needs
1 path
MagcargoLevel up
Level 38
Moves it learns on evolving
Shell Smash
These are offered the moment the evolution completes. Decline them and you have to relearn them later.
Is it worth it
Slugma nowfire250
Magcargofirerock430
Base stat totals, from the Cobblemon 1.7.3 species files.