He sees him and his heart skips. This cannot be! Elros... Maedhros had said farewell to him, knowing the Elfling was entering a better life. His fëa had cracked, earning a few more jagged lines on that day and his heart had hurt too much for him to simply cry.

But it had been for Elros's own good.

For that same reason, Maedhros keeps himself shadowed, watching Elros spar and practice with a proud eye. He knows the skill well! It will surely keep him alive when the last Fëanorians dwindle to one.