Yarblek was a rangy Nadrak merchant (supposedly of Yar Turak) and habitual drunkard. He is described as having a black hair and a thin, scraggly, black beard and a coarse voice and often wears a snug fitting fur (or leather) cap and stained leather clothing, sometimes with a felt ankle-length overcoat. He is very intelligent and savvy. He is also described as one of two Angarak "helpers" in the Prophecy of Light, along with King Drosta lek Thun, with whom Yarblek was a friend and personal envoy. He eventually bought Vella and joined with Prince Kheldar in a merchant venture that put the two of them well on their way to being the richest men in the world.