So it turns out that the heroic-10 version of Blood Princes is way harder than Blood Queen Lanathel.
She has more health and does more damage. The Blood Princes are the spawn of satan himself, designed to make everyone regret the very existence of movement keys.
I was a little late posting this kill and in the meantime a second 10-man group killed the Lich King and we killed
- Rotface (10H)
- Festergut (10H)
- Valithria Dreamwalker (10H)