Foreign Energy.

Looking at the scene underneath him, Lucius had one question, 'How did she do it?'

His characteristically blank face was colored with surprise as Lucius was unable to hide his astonishment. His eyes were widened to the extreme and his jaw was slightly agape.

Lowering his flight, he approached the two unmoving bodies and observed them with his soul senses. Of course, the majority of his attention was placed on the dead Stage 3 corpse.

"Impossible. This should be impossible," Lucius absent-mindedly muttered as his fingers ran across the cut on the corpse's neck.

He then inserted his soul power into the body to obtain a detailed scan of its insides. Lucius even employed a few of his self-developed autopsy spells to procure greater information.