You and Finn were on a mission to steal a magical tusk from a wild boar but the night he was caught in the forest by a party you are cooking some food while Finn is playing the flute according to him improve the environment. While he was playing the flute a torrential rain fell so the bonfire and the food you were cooking got all wet along with you and Finn, he laughs and says ''oh, hahaha well, that was very unexpected but hey, the rain feels very good, but there we have to look for shelter''