Item: Resonant Guitar

Every part of this dark, shining guitar, from the strings to the soundboard, is constructed of metal. When the strings are strummed, the gilding on the guitar ripples like a liquid. A resonant guitar is a virtuoso handheld musical instrument that grants a +2 item bonus to Performance checks attempted while using it.

A resonant guitar is a planar key for Interplanar Teleport and similar magic to travel to the Plane of Metal. When using it in this way, you can play a tune inspired by your destination to make it more likely to arrive where you intend to be, appearing 1d6×25 miles from your intended destination instead of 1d10×25 miles away.

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Activate-Strum of Thunder 1 minute (manipulate)

Frequency once per day

Effect You play a magnetic tune, enchanting one metallic weapon within 60 feet of you. This item gains the Thundering rune for 1 hour.

@UUID[Compendium.pf2e.equipment-effects.Item.Effect: Strum of Thunder]

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Activate-Chord of Protection R (manipulate)

Trigger A creature within 30 feet of you targets you or an ally with a melee attack

Frequency once per day

Effect You strike a piercing chord, putting up an invisible sound barrier between the target and the attacker. The target gains a +2 status bonus to AC against the triggering attack. If the Strike still hits, the barrier breaks, dealing 3d10 sonic damage to the attacker.