Well done!

Yet, the veil is too smooth, slipping over him almost unnoticeably, a lilting melody that wraps around him velvety and soft and smothers his Master's flames within him, lets him glide from wakefulness into deepest slumber so gently he does not even mark the transition. And so, for the first time in this embodied life of his, he sleeps.

This is a great sentence. In fact, the whole paragraph is moving and well-constructed.

Love the angle from which you decide to view the events.