Secret of the Cave

Secret of the Cave is a Side Quest in Mario + Rabbids Sparks of Hope, located on the planet Pristine Peaks. The quest has a Darkmess Puddle by the name of Ice Cave Expedition, located inside a cave, through a secret passage from a destructible wall. After the Darkmess Puddle is cleansed, the quest is complete, and the heroes are awarded a Planet Coin

Trivia

 * This is one of the few Side Quests to have a battle that is different than the name of the quest.