How to evolve Sliggoo in Cobblemon.
Sliggoo evolves into Goodra when it reaches level 50 while it is raining.
Evolution line
What Sliggoo needs
1 path
GoodraLevel up
Level 50Raining
Moves it learns on evolving
Aqua Tail
These are offered the moment the evolution completes. Decline them and you have to relearn them later.
Is it worth it
Sliggoo nowdragon452
Goodradragon600
Base stat totals, from the Cobblemon 1.7.3 species files.