Blue Demon (summoned by Kamir)

Innate Spellcasting. The nycaloth’s innate spellcasting ability is Charisma. The nycaloth can innately cast the following spells, requiring no material components:

At will: darkness, detect magic, dispel magic, invisibility (self only), mirror image

Magic Resistance. The Blue Demon has advantage on saving throws against spells and other magical effects.

Magic Weapons. The Blue Demon weapon attacks are magical, the weapon deals an extra 4d4 magic damage (included in the attack). For damage type roll [roll]1d10ad[/roll] See damage type.1. Poison 2. Acid 3. Fire 4. Cold 5. Radiant 6. Necrotic 7. Lightning 8. Thunder 9. Force 10. Psychic

Multiattack. The Blue Demon makes two melee attacks, or it makes one melee attack and teleports before or after the attack.

Claw. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or take 5 (2d4) slashing damage at the start of each of its turns due to a fiendish wound. Each time the Blue Demon hits the wounded target with this attack, the damage dealt by the wound increases by 5 (2d4). Any creature can take an action to stanch the wound with a successful DC 13 Wisdom (Medicine) check. The wound also closes if the target receives magical healing.

Heated GreatAxe. Melee Attack Roll: +10, reach 5 ft. Hit: 13 (4d6 + 6) Slashing damage plus 13 (2d12) Fire damage.

Teleport. The Blue Demon magically teleports, along with any equipment it is wearing or carrying, up to 60 feet to an unoccupied space it can see.

Summon Barbed Devil (1/Day). The nycaloth chooses to summon and attempts a magical summoning. 

Hurl Flame. Ranged Attack Roll: +10, range 120 ft. Hit: 24 (8d6) Fire damage.