How to evolve Grookey in Cobblemon

This family includes Grookey, Thwackey, Rillaboom. Each path below shows which Pokemon evolves into which.

Grookey Grookey
through its evolution menu at level 16 or higher
Thwackey Thwackey
Thwackey Thwackey
through its evolution menu at level 35 or higher
Rillaboom Rillaboom

Stage by stage

Evolves intoRequirementTypeBST
Grookey Base form grass 310
Thwackey through its evolution menu at level 16 or higher · all with this method grass 420
Rillaboom through its evolution menu at level 35 or higher · all with this method grass 530

Tips for this line

  • Meet every requirement shown for the path, not just the level. Some paths also need friendship, a move, a held item or a particular time.
  • If it needs a stone, those are mined as ore or crafted. Some have biome bias, so a stone you cannot find is usually in a biome you have not visited.
  • If it needs friendship, walking with it and levelling it up both build that. A Soothe Bell speeds it up and Luxury or Friend Balls start it higher.
  • If it needs a trade, a Link Cable simulates one so you do not need a partner.
  • An Everstone blocks evolution if you want to keep the current form.

Full stats for each stage are in the Pokedex, and breeding covers passing natures and IVs down the line.

Requirements are checked against Cobblemon 1.7.3 species data. Rows marked unverified are family relationships from PokeAPI without a matching rule for the listed form. Server datapacks and newer versions can differ.