All the undead, whether they were Minos' minions or Astrirun himself, were degraded until nothing was left. The Hell Guardians disappeared too, along with a part of the ground where Minos' enemy had fallen severely wounded.
But even though the effects of the sacrifice were incredible, soon afterwards the gravitational pressure of the area and strange spatial cracks appeared stronger, consuming all the essence behind that destruction.
The flames were swallowed up by the glowing cracks in the surrounding space, quickly ridding the surroundings of the negative influence of the sacrifice.