Ever since Tristan began using the game world for his school tests, he's been acing one assignment after another. This time, he's landed himself in the middle of a Critter Companions tournament where he must face off against none other than Mr. Adventure and CoCo in a card duel that will decide who is truly the very best! Will Tristan be able to survive a fight against the over-powered adventurer? Or will he lose and fail his next test?