Patrols upon the Ard-Galen are rarely events of great fanfare during times of peace.

"...for none of the Eldalië ever hated Melkor more than Fëanor son of Finwë, who first named him Morgoth; and snared though he was in the webs of Melkor's malice against the Valar he held no converse with him and took no counsel from him."

Fëanor meets a stranger. There aren't many strangers in Tirion.

After the Nírnaeth Arnoediad, Celegorm and Curufin occasionally range far from Amon Ereb in an attempt to stem the tide of Morgoth's armies into Beleriand somewhat. This kind of idleness does not become the Oath once the Silmaril has appeared in Doriath again; Celegorm only needs a willing ear.

The academic conversation that stood at the beginning of the end.

Celegorm, Curufin, a balcony of Finwë's royal residence, oblique discussions of death before death became more than an abstraction. And a little bit of parkour.