After a while, the Undead looked at each other, and finally, someone compromised. "Since he's here to trade, it seems he can't be considered an enemy. Although he is a lord, we also have lords who come to trade here."
"Yes, as long as he doesn't violate our rules, he can enter."
"These Undead are of a very high tier, perhaps..." someone had already started getting ideas. With so many good items, the upper class behind him would surely like them.
The Undead World is never a stable place. Everywhere is filled with battles, even in the midst of chaos. Having powerful Undead servants to aid in battles is such a reassuring thing.
"May I pass now?" the Lich King asked again, flames flickering in his eyes as he stared at these people.