War Horn Of The Angels
An opalescent ox horn capped with a golden mouthpiece.
Benefit. Only a lawful being can wield the horn. Once per day, you can blow the horn to cast rebuke unholy (pg. 69) with a +4 bonus. A demon or devil who hears the horn has disadvantage on its Charisma check vs. your rebuke unholy spellcasting check.
“War Horn Of The Angels” is released under the Shadowdark RPG Third-Party License