How to evolve Beldum in Cobblemon.
Beldum evolves into Metang when it reaches level 20.
Evolution line
BeldumWhat Beldum needs
1 path
MetangLevel up
Level 20
Moves it learns on evolving
ConfusionMetal Claw
These are offered the moment the evolution completes. Decline them and you have to relearn them later.
Is it worth it
Beldum nowsteelpsychic300
Metangsteelpsychic420
Base stat totals, from the Cobblemon 1.7.3 species files.