As for the Watcher, I
: could definitely see a necromancer of his stature
: preferring to exist as one of the walking dead he
: finds so interesting. But, again, we can't check for
: rotting eyeballs under his helmet, so who knows?
Although it's easy to see how many Necromancers, especially the Watcher, could develop a rather cadaverous appearance over the millenia even while being alive: staying in a swamp all the time, hanging around corpses, poor personal hygeine (see staying in marsh and hanging around corpses), staying up far too late chanting anchient mantras that man was not meant to know, not getting enough sunshine due to a mixture of excessive studying and always wearing a cloak and helmet to obscure your features (or probably a cowl in the case of lesser necromancers). The list goes on...