He is lean-faced with wide shoulders. Later he develops a bass voice and grows taller.
Often on the receiving end of Mat Cauthon's practical jokes, Ewin is the one who tells Mat and Rand al'Thor about the arrival of Moiraine Damodred and Lan Mandragoran to Emond's Field. He mentions how Moiraine gave him a silver penny for doing a chore.
Ewin talks with Perrin in the Winespring Inn after the Trolloc ambush leaves Perrin with an arrow in his side. Perrin is amazed by how much Ewin has changed in the year he has been gone.
Later, Ewin helps defend Emond's Field against the invading Trolloc army upon Perrin's return to the Two Rivers, and he soon leaves Emond's Field with Elam Dowtry and Dav Ayellin to explore the world.