Odo has asked you to help the ailing Sudowoodo at Bogbound Camp.
The Request
Check on the blackboard in Professor Laventon's office in Galaxy Hall in Jubilife Village to accept this request.
Talk to Odo
Go to the Bogbound Camp in the Crimson Mirelands and talk to Odo.
Show a Pokémon that Can Use Water Pulse
Some Water-type pokémon can learn Water Pulse, so catch Water-type pokémon to find out if they already know Water Pulse, or take the pokémon to Zisu in Jubilife Village to see if it can learn Water Pulse. Then show Odo the pokémon.
Battle Sudowoodo
You will have to battle Sudowoodo. You can either capture it or defeat it.
Reward
You get 15 Heavy Balls and 3 Exp. Candy S.