The imperial edict forces me to become a demon

In the Great Yan Dynasty of a parallel universe, spies from Wa Zhou bewitched the emperor, who then sent ninety-nine golden plaques to urgently summon Song An back to the capital. At that moment, Song An was suppressing plague beasts with medical arts and repairing the ancient barrier at the Flying Beast Abyss, facing a desperate dilemma: if he defied the imperial edict, he would be labeled a traitor; if he returned to the capital, the southern border would surely fall to the beast tide. As the