[What! What is happening here!]
A wave of confusion washed over Ferverant as he watched half of his unit be absolutely decimated by their own spells before they could even comprehend what happened.
If he wasn't undead and immune to negative mental effects, such a sight would've instilled despair in his very core but that was not the case as he calmed observed the situation while searching for the cause of this mess.
[Locate Person, Sense Movements, Clairvoyance.]
He cast several observation spells simultaneously and sent his ghost legion to investigate the cause of this in secret.
However, even though his ghost legion were completely invisible at the moment, the moment they got a certain distance away from him, a black ball of condensed gravity suddenly came out of nowhere and expanded rapidly before imploding.