When I Woke Up, I Became a Heretic Sacrifice

"My name is Merlin, a priest who has hosted many sacrifices recently. What? You ask who I am offering sacrifices to? Is he an ancient god who fell from the star realm? A hero from thousands of years ago? Or... Something else? The sacrifices on the altar are becoming more and more bizarre: beasts, holy objects, or myself? In fact, the answer is very simple - what I sacrifice is never to the gods, but to the destiny that belongs to "me" and spans thousands of years. " "So why did you tie me up? Hey! Wait! Is this a torture by fire?!"