Wondrous item, uncommon (requires attunement)

You must be proficient with wind instruments to use these pipes. While you are attuned to the pipes, ordinary rats and giant rats are indifferent toward you and will not attack you unless you threaten or harm them.

The pipes have 3 charges. If you play the pipes as an action, you can use a bonus action to expend 1 to 3 charges, calling forth one swarm of rats with each expended charge, provided that enough rats are within half a mile of you to be called in this fashion (as determined by the GM). If there aren’t enough rats to form a swarm, the charge is wasted. Called swarms move toward the music by the shortest available route but aren’t under your control otherwise. The pipes regain 1d3 expended charges daily at dawn.

Whenever a swarm of rats that isn’t under another creature’s control comes within 30 feet of you while you are playing the pipes, you can make a Charisma check contested by the swarm’s Wisdom check. If you lose the contest, the swarm behaves as it normally would and can’t be swayed by the pipes’ music for the next 24 hours. If you win the contest, the swarm is swayed by the pipes’ music and becomes friendly to you and your companions for as long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no commands to a friendly swarm, it defends itself but otherwise takes no actions. If a friendly swarm starts its turn and can’t hear the pipes’ music, your control over that swarm ends, and the swarm behaves as it normally would and can’t be swayed by the pipes’ music for the next 24 hours.

Potion, uncommon

When you drink this potion, you can cast the animal friendship spell (save DC 13) for 1 hour at will. Agitating this muddy liquid brings little bits into view: a fish scale, a hummingbird tongue, a cat claw, or a squirrel hair.

Potion, rare

When you drink this potion, you gain the effect of the clairvoyance spell. An eyeball bobs in this yellowish liquid but vanishes when the potion is opened.

Potion, rare

When you drink this potion, you gain the effect of the gaseous form spell for 1 hour (no concentration required) or until you end the effect as a bonus action. This potion’s container seems to hold fog that moves and pours like water.

Potion, rare

When you drink this potion, you gain the “reduce” effect of the enlarge/reduce spell for 1d4 hours (no concentration required). The red in the potion’s liquid continuously contracts to a tiny bead and then expands to color the clear liquid around it. Shaking the bottle fails to interrupt this process.

Potion, rarity varies

When you drink this potion, your Strength score changes for 1 hour. The type of giant determines the score (see the table below). The potion has no effect on you if your Strength is equal to or greater than that score.

This potion’s transparent liquid has floating in it a sliver of fingernail from a giant of the appropriate type. The potion of frost giant strength and the potion of stone giant strength have the same effect.

Potion, common

When you drink this potion, you gain a climbing speed equal to your walking speed for 1 hour. During this time, you have advantage on Strength (Athletics) checks you make to climb. The potion is separated into brown, silver, and gray layers resembling bands of stone. Shaking the bottle fails to mix the colors.

Potion, very rare

When you drink this potion, you gain a flying speed equal to your walking speed for 1 hour and can hover. If you’re in the air when the potion wears off, you fall unless you have some other means of staying aloft. This potion’s clear liquid floats at the top of its container and has cloudy white impurities drifting in it.

Potion, uncommon

When you drink this potion, you gain the “enlarge” effect of the enlarge/reduce spell for 1d4 hours (no concentration required). The red in the potion’s liquid continuously expands from a tiny bead to color the clear liquid around it and then contracts. Shaking the bottle fails to interrupt this process.

Potion, very rare

This potion’s container looks empty but feels as though it holds liquid. When you drink it, you become invisible for 1 hour. Anything you wear or carry is invisible with you. The effect ends early if you attack or cast a spell.