Dark Old Demon

Roy's life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
...
It's really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Custom Made Demon King

Just as Archimonde used a small magic spell to destroy all of Dalaran, Arthas and Kel'Thuzad arrived in Quel'Thalas.

At this moment, Arthas and Kel'Thuzad were alone. Tichondrius had already taken away the command of the Scourge, and the undead monsters could only follow Tichondrius under the remote control of the Lich King's mind. Not a single undead could follow Arthas and Kel'Thuzad.

The plunge from commanding an army in high spirits earlier to being alone without an adjutant now had dealt a huge blow to Arthas's mentality. Along the way, he had wanted to use Frostmourne to control corpses several times, but Kel'Thuzad had stopped him.

Walking through Eversong Woods, Arthas raised his head and looked at Julia and Benia flying in the sky. These two didn't care to travel side by side with him and Kel'Thuzad, so they both flew.

Another Prince