The death knight can do excellent melee damage
Ghostcrawler: Their resource system is very unique. It is impossible for death knights to ever run out of resources. Any kind of benefit that makes rune-based abilities cheaper or finish their cooldowns faster are generally useless to a death knight. In fact, the whole rotation risked being very regular and even boring until we came up with a strong role for the Death Runes.
The death knight can do excellent melee damage, but also better ranged damage than most melee classes, and buy cheap wow gold all three specs deal a large amount of non-physical damage.
Death knights also have a lot of abilities with medium-length cooldowns. This means they can be used multiple times per fight, but aren