Originally Posted by
mrmallacath
Could have just written something in a different set of words, but it would sound the same. Death Knights are *evil*. Not evil as in the "bad guys", but they are walking around doing stuff through the infusion of unholy powers. They cheat death (blood, in this case) by bending their power to leech out life essence from enemies and revitalizing their own. Its not like they can create healthy energy to infuse into others or some crap like that.
The concept itself is interesting, I admit it, but even if you take Delyian's lore explanation for Paladins into account, at the very least, Paladins actually have access to holy powers of good bullsh*tty nonsense... To use that to heal someone other than themselves is just a matter of learning how to channel that holy power into others.