> Reg defects, tells Sirius about Pettigrew
> Sirius tells Dumbledore
> Instead of revealing Pettigrew, they feed him false information about the Potters’ whereabouts
> Order sets up a major ambush waiting for Voldemort when he arrives
> Voldemort is defeated, but Reg reveals the Horcrux to Dumbledore
> They manage to hunt/destroy all of the horcruxes in the next decade before he’s able to be resurrected
> Everyone is hAPPY