Horn of Valhalla, Bronze

very rare · Instrument

You can use an action to blow this horn. In response, warrior spirits from the plane of Ysgard appear within 60 feet of you. These spirits use the berserker statistics. They return to Ysgard after 1 hour or when they drop to 0 hit points. Once you use the horn, it can't be used again until 7 days have passed.

A bronze horn summons 4d4 + 4 berserker. To use the bronze horn, you must be proficient with medium armor.

If you blow the horn without meeting its requirement, the summoned berserker attack you. If you meet the requirement, they are friendly to you and your companions and follow your commands.

If you have proficiency with a given musical instrument, you can add your proficiency bonus to any ability checks you make to play music with the instrument. A bard can use a musical instrument as a spellcasting focus. Each type of musical instrument requires a separate proficiency.