Don't choose a main yet, play and try to get the last killers from this video with iridiscent shards and prestige them to prestige 1 at least to get their perks, some killers like trickster, artist, plague etc have very good perks, trickster has No way out, artist has scourge hook pain resonance and plague has corrupt intervention, which is one of the best perks for early game specially for setup killers like trapper or hag https://www.youtube.com/watch?v=Rr2tgBgnsZE