It's actually an interesting question.

Godric: It was time for him to retire, but no, he decided to keep fighting. Old age completely got to him, and first he let Markel go, and then he died himself... I don't regret it.

Tieru: He's lived long enough, but he still hasn't died. Although, for some reason, I feel a little bit sorry for him, just a little, to lose to some succubus...

Alaron - pfft. If he were some elf warrior, wishing everyone well, I would feel sorry. But as the ruler of a huge country - no.

Cyrus - a nasty guy. I don't feel sorry for him at all.

Nicholas: I feel sorry for his fate, but not for him. He was punished twice, and practically for nothing. On the other hand, he's just like his father... (Isn't that Alexei?)

Kurak: He died like an orc, after making a big mistake. I don't feel sorry.

Biara: I don't feel sorry, because she got annoying. Being controlled by a stupid AI and killing in every expansion... No...

Arantir: Before Dark Messiah, I felt sorry for him (I knew they would kill him). After playing Dark Messiah, I don't. He's completely inadequate there, as if he's gone mad. He doesn't even want to listen to Sareth. That's where he belongs.

Tolgar: I don't remember, so I don't feel sorry.

==

Ornella - I feel sorry. A stupid death. Just for the sake of a town. And Arantir didn't even try to stop it. That makes me dislike him even more.