Quote Originally Posted by OvisCaedo View Post
Dragon claws are either... 1d8 or 2d6, depending on how big Calder actually is. The lowest that seems likely for age category is probably Mature Adult, though I feel like the scraggly beard and bushy eyebrows mark him as at LEAST Old.
It could be he was Mature Adult when he was interred in the dungeon. He then has "aged" several centuries, with his beard continuing to grow Rip Van Winkle style... but with his body staying the same size, since he isn't actually eating anything to add body mass.