Homebrewed magic items for my Ruins of Chult setting:

Amulet of Power

Wondrous item, rare (requires attunement)

Choose a spell you know, when you cast this spell you cast it at one higher spell slot than the one you spend. You can change the spell only after a long rest.

Headrest of Tranquility

Wondrous item, uncommon

Using the Headrest of Tranquility while you sleep, you can recover from one additional level of exhaustion with a long rest. Additionally, you are immune to the Dream spell until next dawn.

Ivory Armband of Ferocity

Wondrous item, rare (requires attunement)

When you hit with a melee attack, you inflict +1 damage

Ivory Cup of Purity

Wondrous item, common

Anything you drink with the Ivory Cup of Purity is under the effect of a Purify food and drink.

Matteba Leaf Garment

Wondrous Item, uncommon (requires attunement)

This garment is the Chult equivalent of a Cloak of Elvenkind.

Sahuagin Shark Tooth Sword

Weapon (any sword that deals slashing damage), uncommon

When you attack a creature with this weapon and roll a 20 on the attack roll, that target takes an extra 7 slashing damage.

Velociraptor Feather Cloak

Wondrous item, rare (requires attunement)

While wearing this cloak, you add 5′ to your base speed.

Mask of the Oracle

Carved from the mythic Gboga Tree.

Wondrous item, very rare (requires attunement)

While wearing this mask, you can use an action to cast the scrying spell. You can’t use this mask’s ability again until next dawn.

Ikakalaka Sword +1

Weapon (short or longsword), uncommon

Bonehead Helmet

Wondrous Item (requires attunement)

While wearing this helmet, you cannot be stunned. Additionnally, you have advantage on your check when you attempt to shove a creature.

Wand of the Su-Monster

Wand, rare (requires attunement)

The wand has 7 charges. While holding it, you can use an action to expend 1 charge to inflict 5d6 psychic damage on 1 target, 30′ range, stunned for 1 round (Wisdom saving throw DC  15).

The wand regains 1d6+1 expended charges daily at dawn. If you expend the wand’s last charge, roll a d20. On a 1, the wand crumbles into ash and is destroyed.

Shotel Sword +1

Weapon (scimitar), uncommon

A shotel sword can bypass an opponent’s shield (ignore AC from shield).

Mu-Ngyengyue Bracelet

Wondrous item, uncommon (requires attunement)

While wearing this bracelet, you have advantage on saving throw to resist  entangle and ensnaring strike spells

Ubtao’s Maze Earrings

Wondrous Item, rare (requires attunement)

While wearing the maze earrings, you have advantage on Intelligence (Religion) skill checks.

 

Want more? Magic Items – Chult II!