In Curse Of Strahd, the Pack visited Krezk and promised the Krezkovs to investigate The Abbot who resided in the Abbey of Saint Markovia. They found that The Abbot was a mad Deva; though Shakti of the Wildhunt told Dmitri that it was not worth seeing The Abbot as he was mad, Ghalwin believed in the Angel's abilities. He told the Burgomaster that The Abbot had promised him miracles, and if they were true, he would use a favor to raise Ilya from the dead. After months, Ghalwin did not return, but this hope sparked Dmitri and Anna to action. They dug up Ilya's decomposed body and brought it to the Abbey.
Though The Abbot initially denied trying to raise the boy, as he needed an intact body, Dmitri's pleas moved him, and he promised to raise him. Working through the night, The Abbot succeeded in his task, and Ilya stumbled down the mountain switchback to Krezk the next morning. The crazed deva was not aware of what happened to Ilya during the raising process; the body's body was composed of various types of animal flesh stretched over pieces of wood, and imbued with the animative qualities of a Flesh Golem.
His soul had been claimed from the mists of Barovia, but remnants of Vampyr still lingered in the boy and fundamentally altered his desire to consume. Ilya was Cursed with an eternal All-Consuming Hunger, an Undead spirit trapped within his stomach in negative space. He slowly grew extra mouths that contained rows of sharp teeth that lead only to an endless void, desperate to be satiated.
However, a strong illusion altered his complexion significantly, and Ilya looked a regular boy, even healthier than he was in life. The toll that the raising had taken on Ilya did not become apparent for a few days after, as the boy was initially exhausted and refused to eat, but he eventually developed a ravenous appetite. Only Anna knew the truth about how much Ilya was eating: eventually, she began tricking the village shepherd Oleg Barbu and stealing his Sheep. As baroness, she knew that the village would need these resources to survive the coming winter, but as a mother could not let Ilya remain in hunger and pain.