Armored Fire Elemental

Illumination. The Armored Fire Elemental sheds bright light in a 20-foot radius and dim light in a 20-foot radius.

Heated Body. A creature that touches the Armored Fire Elemental or hits it with a melee attack while within 5 feet of it takes 7 (2d6) fire damage.

Water Susceptibility. For every 5 feet the Armored Fire Elemental moves in 1 foot or more of water, it takes 2 (1d4) cold damage

Multiattack. The Armored Fire Elemental makes three melee attacks.

Scimitar. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) force damage.

Touch. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) fire damage. If the target is a creature or a flammable object, it ignites. Until a creature takes an action to douse the fire, the target takes 5 (1d10) fire damage at the start of each of its turns.

Fiery Strikes (Recharge 6). The Armored Fire Elemental uses Multiattack. Each scimitar attacks that hits deals an extra 7 (2d6) fire damage.

Combustion (Recharge 6). The Armored Fire Elemental explodes outward in a 10 foot radius. Each creature in the area must succeed on a DC 15 Dexterity saving throw or take 13 (2d12) fire damage and be ignited.  Until a creature takes an action to douse the fire, the target takes 5 (1d10) fire damage at the start of each of its turns. On a successful save, the creature takes half as much damage and isn't ignited.