Originally Posted by
Athael
Do you know what the word "Siege" means? The undead, on the other hand! The undead are also themselves immune to being beseiged, because they do not need to eat, or drink, or even breathe. They can hole up in Undercity (Which is every bit as defensible as Ironforge) forever, and NOBODY could get in there. And even if they didn't want to blockade IF, they could simply throw plague canisters into IF's air ventilation holes, and the whole city would suffocate from the inside. Then the undead could walk in, and resurrect every single dwarf as a midget-Forsaken, doubling their numbers.