The sonic grenade known as "Banshee's Howl" was a new creation by Hilov, proposed by an alchemist priest from the Arms Factory.
The dragon bone flute was initially developed by the Church to appease giant spiders and lure children.
Its most convenient feature is its alchemical property of low mana activation, similar to fluorite.
As long as the catalyst is in place, even a mortal or natural wind can achieve the effect of bewildering the mind.
Not to mention that in the hands of someone with high mana, it could even cause irreversible neuro damage to the recipient.
Long ago, Horn had the idea of turning it into a weapon, as dragon bone is quite a common mineral in the Dragon Sleep Mountain Range, allowing for mass production.
However, he had two problems that he couldn't solve.
First, how to avoid hurting one's own people? Second, how to enhance its lethality?
