My third life is my revenge life

After the war Harry lived a Terrible life filled with loneliness and pain. Harry lived up to 37 before dying by the killing curse by None other then Ron weasley and Hermione granger while walking home to grimmauld place. Before he died he heard a voice before blacking out and waking up in a cave where he finds out he is a slime.(Then basically everything that happens in that time I reincarnated as a slime happens). A few years later he gets a skill to reincarnatedhimself again with his memory's and skills. He tells his subordinates and people about this and then actives his skill. He then wakes up as Harry Potter again but something feels different. What happens from here? Read to find out!