Does whiscash join in your team in Pokemon mystery deongeon explorers of darkness?

In Pokémon Mystery Dungeon: Explorers of Darkness, Whiscash does not join your team as a playable partner. Instead, Whiscash serves as a character that provides guidance and information, particularly regarding the storyline and certain quests. Players interact with Whiscash primarily at the Waterfall Pond, where it offers wisdom and insights rather than joining the rescue team.