Yeah, I agree. She's angry at Durkon some... what, twenty-odd years ago? for suggesting she "just let [Tenrin] go." That doesn't mean she never got her arm regenerated in all the time because her missing arm is a reminder of him. Indeed, in the same strip, she says she didn't do it because "wha kind of dwarf would I be ... If'n I put me happiness ahead o' tha lives-- nay, tha very souls-- o' five others?"