Beastcurse

 is a weapon in SINoALICE.

Weapon Story
The king sung the praises of the eternal kingdom and the sun that would never set.

The queen sung the praises of the great king and his marvelous achievements.

The prince sung the praises of the staunchly loyal soldiers, always marching forward.

The jester just sung a song, ridiculing the three members of the royal family who had rested on their laurels and met their doom.