Undead Barracks

Despite most of the personal rewards given, there weren't really many of them that were useful to him. He couldn't use magic because he saw no use in learning it. He was Omnipotent within his realm and he couldn't leave it so the talent increase granted by both titles were useless, the skills they granted were also useless because if he wanted to force a creature to bow to him, all he had to do was will it.

In fact, from the reaction of the Diplomats upon seeing him proved that he didn't even need it. His presence alone commanded enough respect that they wanted to worship him and referred to him as power personified. The only useful abilities here were the barracks given to his governors and the increase in troop abilities.