S02 E12 Demon World ( Part 1)

Shendu is being tortured by his brothers and sisters when he manages to discover a time rift that allows him to escape the Demon Netherworld and, at long last, possess Jackie. He uses Jackie s body to travel to a mysterious temple in Australia that houses the Book of Ages, a veritable history book has the power to alter reality. But when Jade tears off a piece of the page Shendu altered, her memories are the only one unaffected in the new reality where each of the Demon Sorcerers rules a different area of the world.