However, this kind of magic is not lower than the Eighth Ring, the Anti-Magic Area does not belong to conventional spells, and the Ghoul King is not famous for his spellcasting abilities; even his own spells are very limited, not to mention those of his priest and believers.
In other words, he has relatively few believers among the Sage Race, where intelligence is generally lower.
Cannibalism, in civilized societies, is ultimately an unwelcome barbaric culture, considered backward, a symbol of savagery, and has a relatively small audience; the more civilized and the higher the wisdom, the harder it is to accept.
The enemy seems aware of this deficiency; upon sensing a suspicious area, they will bypass without hesitation.
The sky is vast, as long as they don't actively fall into traps, even those top spellcasters cannot do anything about them.
The main way for ordinary ghouls to deal with aerial bombing is to hide in underground tunnels or nests.
