Character Trivia

[The Might]

Wow, Pitchwife, you never stop amazing me! Without the tip for LotR I still would be searching.

The answer is Thráin II, who was injured at the battle of Azanulbizar.

None the less in the morning Thráin stood before them. He had one eye blinded beyond cure, and he was halt with a leg-wound; but he said: 'Good! We have the victory. Khazad-dûm is ours! ' ~ Appendix A of LotR, Durin's Folk

I'll have to dig through the books long and hard to find something matching this question!