Commander Yodri appears at the site of a recent Goblin raid alongside two Black Guards when all of the goblins have been killed after the raid. You can ask him for a reward and he will give you a small reward suiting where the raid was and the amount of goblins killed.
He says you can get a reward from the Black Guard's store and keep the rewards you pick up from the raiders you kill.
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His examine text is a reference to the stereotypical portrayal of commanders and heroes in fiction, in which they usually do not wear helmets into battle.