Borg

Burning Weapons. The planetar's weapon attacks are magical. When the planetar hits with any weapon, the weapon deals an extra 5d8 Fire damage (included in the attack).

Pocket weapons. Borg can send and retrieve his weapons from a pocket dimension, he don't know how, all he knows is he can do it.

Innate Spellcasting. The Borg's spellcasting ability is Charisma (spell save DC 15). Borg can innately cast the following spells, requiring no material components:

At will: Disguise Self, Identify, Enhance Ability, Enlarge/Reduce,

 3/day each: Glyph Of Warding, Tiny Servant, Leomund's Secret Chest,

Magic Resistance. Borg has advantage on saving throws against spells and other magical effects.

Homemade arsenal. Borg has created a vary of different special items.

Caltrops: Borg has created some special caltrops. Borg unknowingly pours magic into the caltrops when he uses them. So he sells them thinking they explode.

Healing Kit: Borg has also created a healing kit. When he uses it, the healing kit works as normal, it's again his magic making it special.

Tent: Borg has created a tent. This tent actually does work. It's a tiny pocket dimension as a smaller house with running water, gas and heat.

Calling. Borg has a very special creation. It's a stone that is used to call him once. When the stone is used Borg gets the ability to travel to wherever it is. When the stone has completed it's use, it crumbles to shiny dust. Borg has never been succesful in creating another.

Multiattack. Borg makes two melee attacks. Borg can throw out his special caltrops instead of one melee attack.

Greatsword. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 21 (4d6 + 7) slashing damage plus 22 (5d8) Fire damage.

Caltrops. When stepped on, a caltrop detonates doing 1d8 fire damage