"Pfft."
The lower back of Voldemort's black robe bulged slightly, as if stirred by a gentle breeze. A puff of gas silently blended into the night.
As he fought the Skeleton Soldiers, his wand paused for a moment. An unnatural flush spread across his pale face, followed by a frenzied barrage of spells, as though he were venting his frustration.
Voldemort's greatest killing spell was Avada Kedavra, but these Undead Creatures were already dead, nothing more than puppets controlled by the skeletal mages. The Killing Curse was completely useless against them.
The Dark Lord's available magic had now dropped an entire tier, leaving him with the Fiendfyre he was less skilled at using. Only that kind of magic was relatively effective against the undead.
However, the robed skeletal mages were not merely watching from afar. After transporting the corpses, they would occasionally cast minor spells to counter Voldemort's magic, making the Dark Lord extremely uncomfortable.
There were fewer and fewer Death Eaters around him, and Voldemort himself had an unspeakable problem. Several times, he had wanted to flee using Apparition, but he could not cast it at all, as if the spell had failed.
This was the effect of the Mythal. It was a legendary spell from Faerûn. Although a complete Mythal could not be established in this world due to the lack of a complete Weave, that depended on who had set up this knockoff Mythal.
The essence of a Mythal was to create a permanent magical domain within a certain area. And when it came to domains, nothing about them was ever simple.
The caster could affect every creature that entered the domain, granting them certain special abilities or imposing restrictions upon them. They could even distort any concepts and rules within it.
For example, those who entered