Warning: The following episode may have scenes that to intense for some pokemon fans.
This episode is a continuation of the Rainbow and the Pokemon master
Here's the episode Clash of Champions, the descendants head for the Kanto, where they have to pay the toll, they meet Ash, and it is also revealed that the world of pokemon is affected by Uchumo's reign, Ash tells Marco and Tiki about the history of manaketes, cause in the pokemon world manaketes went extinct, the Shadow Dragon Uchumo tells team rocket to eliminate the heroes, then the tree that Ash and Pikachu head in the rainbow and the pokemon master was actually an ancient lever revealing the world tree, Ash founds out that he actually a manakete, they find the ultimate weapon, but team rocket ambushed them, and Giovanni killed Ash cause he wanted to be the one Pokemon master, but was revived for a second chance and uses his manakete powers, Ash eats Giovanni, the team rocket trio have their last blastoff and gets eaten alive by incubuses and succubuses, and all of the remaining team rocket members got arrested, Ash is a divine dragon. Oh Also Ash has caught a lilligant, a heliolisk, a machamp, a Ribombee and an alakazam offscreen.