How did Nimrod plan to evade the Angel Salted Fish's scrutiny?
He knew he could ascend to Sefirah Castle in the "Circle of Inevitability Timeline," and that, thanks to his intervention, Lumian's dream had shattered ahead of schedule, before Miss Salted Fish could react.
That made his next move simple-hide in Sefirah Castle. Salted Fish could dig up every inch of Cordu Village and still never find him.
Judging by the current situation, because Lumian had not finished following the script laid out by Adam and Amon, father and son, his mental state was somewhat better than it had originally been... Not by much, but Nimrod's words, which carried an innate "Beguilement" effect, had pulled him back a little, rekindling his hopes of resurrecting his sister and taking revenge.
After that, once Lumian set off with Fors's help, Nimrod could simply "descend" beside him-after all, he had ascended to Sefirah Castle in his actual body. With coordinates available, he could use the Luck Enhancement Ritual to reach Trier directly.
As for the traces he had left in Cordu Village, Fors currently believed he was an incarnation of Klein. Moreover, within the dream, he had been protected by Sefirah Castle, preventing Fors outside the dream from detecting him; the Outer Deities had only extended some power and symbolism into the dream, making it difficult for them to discover him.
That being the case, the only ones capable of discovering him were Grisha Adam, the Dual Pathway True God of the Hanged Man and Spectator, and Klein, the Fool. But Klein was currently locked in a fierce struggle with this timeline's Celestial Worthy. He had little attention to spare, and could mostly do no more than catch a fleeting glimpse.
Thus, Nimrod could be fairly certain that only Adam had noticed him,