Horcrux

What happens if Harry finds all the horcruxes before in his 6th year, before the war started. What if while trying to destroy Voldemort's horcruxes he accidentally absorbs them. What if Harry finds out what Ron and Hermoine have been hiding from him on Dumbledore's orders. That he himself was a horcrux. What will Harry do know that he knows he's the last horcrux and his death means ending the war. But will he end it?