Thanks to the franchise’s wildly inconsistent development cycles, Kingdom Hearts is the kind of obsession that ebbs and flows like the tides of the Destiny Islands. I’ve been a big fan since the very beginning, but even I sometimes go months or years without thinking about Sora, Riku, and all their friends. Yet thanks to a dazzling new Kingdom Hearts 4 trailer revealed during D23 this past weekend, the first six Kingdom Hearts games have shot up…