Magic Items

Heavy armor, legendary
You have a +3 bonus to AC while wearing this armor. This item is found in the DMG.
This plate armor was recovered from the ursine archons that guard the gate to Mount Celes-tia. It still smells of bear.
Guardian. The item whispers warnings to its bearer, granting a +2 bonus to initiative if the bearer isn't incapacitated.

Source: Tyranny of Dragons

Wondrous item, uncommon

The jewels in this insignia of the Cult of the Dragon flare with purple light when you enter combat, empowering your natural fists or natural weapons.

While wearing the insignia, you gain a +1 bonus to the attack rolls and the damage rolls you make with unarmed strikes and natural weapons. Such attacks are considered to be magical.

Bag Of Holding
Wondrous item, uncommon

This bag has an interior space considerably larger than its outside dimensions, roughly 2 feet in diameter at the mouth and 4 feet deep. The bag can hold up to 500 pounds, not exceeding a volume of 64 cubic feet. The bag weighs 15 pounds, regardless of its contents. Retrieving an item from the bag requires an action.

If the bag is overloaded, pierced, or torn, it ruptures and is destroyed, and its contents are scattered in the Astral Plane. If the bag is turned inside out, its contents spill forth, unharmed, but the bag must be put right before it can be used again. Breathing creatures inside the bag can survive up to a number of minutes equal to 10 divided by the number of creatures (minimum 1 minute), after which time they begin to suffocate.

Placing a bag of holding inside an extradimensional space created by a Heward’s handy haversack, portable hole, or similar item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within 10 feet of the gate is sucked through it to a random location on the Astral Plane. The gate then closes. The gate is one-way only and can’t be reopened.

This armor is made of pliant material from worn, laurel tree bark with stylized carvings of dancing dryads burnt into it. Small bits of green moss accentuate the wood, allowing the wearer to gain advantage on Dexterity (Stealth) checks when in a forest. This item functions as +3 armor (hide)(see the Dungeon Master’s Guide).

+3 Hide armor

An Instrument of the Bards is superior to an ordinary instrument in every way. Seven types of these instruments exist, each named after a bard college. The Instruments of the Bards table lists the spells common to all instruments, as well as the spells specific to each one and its rarity. A creature that attempts to play the instrument without being attuned to it must succeed on a DC 15 Wisdom saving throw or take 2d4 Psychic damage.

Instruments of the Bards (Canaith Mandolin, Cli Lyre, Anstruth Harp,
Ollamh Harp, Fochlucan Bandore, Doss lute, Mac-Fuirmidh cittern)
You can play the instrument to cast one of its spells. Once the instrument has been used to cast a spell, it can’t be used to cast that spell again until the next dawn. The spells use your spellcasting ability and spell save DC.

From Ghost of Saltmarh.

Traded to Bahiira.

Wondrous item, very rare

This book contains intuition and insight exercises, and its words are charged with magic. If you spend 48 hours over a period of 6 days or fewer studying the book’s contents and practicing its guidelines, your Wisdom score increases by 2, as does your maximum for that score. The manual then loses its magic, but regains it in a century.