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This Dwarf appears to be old -- others of his kind could probably estimate that he's at least two hundred. Despite this, he seems to be spry and strong, good at pretending his joints don't ache. When speaking, he can be gruff, laconic, or just plain mean.

A close look would show faded freckles on craggy cheeks, but he'd probably prefer most folk to not draw so near as to invade his personal space with their breath. Still, one could tell that he was handsome in his youth, and he's been blessed in age!
 

His left eye is an observant olive green. The right is sometimes covered by a patch, but usually it will be revealed. There is nothing special about it at a quick glance, but one may eventually notice that it does not follow its partner as it should or react to light; it is either a glass eye or just lazy. This Dwarf is also missing most of his right pinky. 

All of his hair is grey, but there are traces of red from a younger age. He stays fairly tidy nowadays, and has let his hair and beard grow long, compared to how it used to be. A well-traveled Dwarf might note that this one appears to be a Firebeard, by all means.

He usually wears relatively nice and comfortable robes (unless he's working, which then it is a dirty old shirt) and carries at least one axe on his belt. That doesn't necessarily mean he's eager to use it, though; he seems to be more keen on being left alone and avoiding trouble.