After he is freed from wherever Grindelwald imprisoned him, Percival is barely holding himself together. People at work are scared or suspicious of him. Some are even calling him a traitor or weak for getting captured. Percival just bares it all and works. One night while he's alone in his apartment drinking himself to oblivion, a monstrous force suddenly appears and starts attacking him. Percival tries to fight but then he recognizes who it is amidst the swirling magic, Credence in full rage. Percival stops fighting and allows himself to be tossed about and brutalized. Credence doesn't know about Grindelwald and takes it out on Percival. Just when Credence is about to finish Percival, Newt appears looking nothing like the timid wizard everyone thinks he is. Instead he expertly subdues Credence and explains everything to Credence who is left devastated and tends to Percival, saving him from the brink of death. After that Newt whisks both men away, claiming them as his and beginning the long and slow road to recovery and reconciliation.
Credence/Percival/Newt: Newt saves them both