As part of the 20th anniversary celebration of the Kingdom Hearts franchise, Square Enix and Disney announced that Kingdom Hearts IV, the newest installment in the RPG series, is in early development. In the announcement trailer, Sora makes a return with an updated look at the beginning of a new storyline titled the “Lost Master Arc.” Beginning with Sora facing off in a boss battle against a giant enemy, players are introduced to the Quadratum, a large, expansive city set in a realistic world unlike anything ever seen before in the Kingdom Hearts series.