Divine Attrition

In a world where humanity is being ravaged by a demonic plague called Pneuma Morta, an infection slowly grows into possession of the host until only the demon remains. The government has collaborated with the Church of Solomon to combat this curse in a bloody war with no end in sight. Two mercenaries discover a power that could potentially put an end to the chaos once and for all. But with both humans and demons alike standing in their way, will they be able to successfully stop this war of Divine Attrition?