The Astral Conch of Galerion

#wondrous-item, #legendary (requires attunement)

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This conch shell, as large as a grown man's forearm, is said to have been crafted from one of Galerion's shed scales. It has a gleaming, pearlescent finish and its surface is etched with intricate designs that look like constellations. It radiates a powerful, calming energy.

When you blow the conch, it emits a resonant, hauntingly beautiful sound akin to the legendary Astral Song of Galerion. The sound carries clearly for miles and is audible even over loud ambient noise.

Abilities:

Calm the Storm: 

Once per day, you can blow the conch as an action to calm natural weather conditions within a 5-mile radius. This effect lasts for 1 hour and does not affect magical weather conditions.

Astral Aid: 

Once per week, while under open skies at night, you can blow the conch as an action to ask Galerion for aid. For the next 10 minutes, you gain the ability to see briefly into the future. You can add a d10 to one attack roll, saving throw, or ability check. You must decide to use the die before making the roll.

Echo of the Cosmos: 

Once per month, you can blow the conch as an action to emit Galerion's Astral Song. All creatures within a 1-mile radius must make a DC 18 Wisdom saving throw or be Charmed by you for 1 minute. While Charmed in this way, a creature is awestruck and has a speed of 0. This effect ends for a creature if it takes damage.

Note: 

The usage of these abilities does not guarantee Galerion's appearance, though it may pique the creature's interest.

This legendary item carries a piece of Galerion's powers and could serve as a powerful tool for adventurers. However, its use should be taken seriously, as Galerion might not take kindly to misuse of its powers.