Twin worlds: The digital world and the Pokémon world were originally parallel dimensions under the root system of the same world tree, but they were split due to ancient wars.
· Dimensional rift: The alliance of villains used ancient weapons to tear apart the dimensional boundary, causing the two worlds to merge and collide.
· Power system: Elf skills and Digimon data abilities can produce "resonant evolution", but conflicting laws can also cause disasters
