Realistically, Elenwë was probably trapped beneath an overturned ice floe or something like that, but that would be hard to draw.
Elves have limited powers of telepathy (ósanwë) especially between spouses or close family or friends. Useful if you're underwater.
Part 263 Crossing the ice
Next time: Part 264: Convergence
Chibis by the now-dead website formerly known as tektek.org