Aww...too hard to find a flaw? Oh well... Harry messes around with a ticking noise, and it explodes, making that one Prophecy true...
Uberchu realizes nobody wants him to live, so he secretly asks Arceus to demolish him and anyone who overhears the conversation so no one can interfere and after all of that is done, all records of Uberchu are destroyed and no memory is left of him and nothing could ever bring any demolished
(noun) back to life. His plan works...