Reference article
Battle Challenge
Complete the battler’s challenge by collecting battle medals.
Completing the quest
Complete the battler’s challenge by collecting battle medals.
Quest items
Keep quest items in the inventory until their task is complete.
Rewards
Jelly Coins; 50 bronze-equivalent coins
Related activities
This is one of the 21 side quests in 
Duck Life 8: Adventure. See 
Quests for the full list.