Wei Wuxian gets to the gates of Cloud Recesses after curfew. He bids farewell to the corpse, and goes through the proper rituals to cleanse the resentment and manage the spirit both as thanks for getting him to Gusu and also to avoid leaving a mess for some Lan disciple to deal with.
With that, he trudges up the mountain. Their wards seem tougher than he remembers, but still no match for him. He opens up a temporary little hole and slips through, confident that he didn't trip any alarms.