Bones

Lich looked at the confused expression on Orion's face and gathered it was his last chance to get out of this mess and save his life. He continued hurriedly,

"Yes, I lied earlier to everyone because he told me not to reveal his identity. Then, after he went away, A necromancer broke into the tomb, and I took control over his whole group through him. I changed all of those entering the tomb into undead to guard my mausoleum.

The rumors were too spread by me to make people enter the tombs in drones which could help me in raising an undead army. I hoped to find life forces of powerful mages or Conjurers to replenish myself if that Boy's uncle proved to be insufficient to restore my strength. 

And after a few days, that boy also came in who told me that it was his uncle I was using. I got greedy and tried to take his blood too for quick….."