This would be Lucifer's Immortality than:

Transcendental Immortality: As the "one and true devil", Lucifer can't be killed by any means, being unbound by the concept of death. Even destroying him on a conceptual level is not enough to get rid of his existence. He also implied that his true body resides elsewhere.

It's YOUR verse, no one is stopping you, you can do whatever you want to your verse, bud