Charred Skeleton

Ash Cloud. When the skeleton dies, it releases a puff of ash. All creatures within 5 feet of the skeleton must succeed on a DC 13 constitution saving throw or be blinded until the end of their next turn.

Combustion. If the skeleton is exposed to fire, it is engulfed in flames for 1 Minute, after which it is killed. While on fire, it gains the following benefits:

• The skeleton's melee attacks deal an additional 1d6 fire damage.
• The skeleton has immunity to fire damage.
• When it takes damage, the skeleton can use its reaction to explode into flames, causing it to take 1d10 force damage. All creatures within 5 feet must make a DC 15 Dexterity saving throw, taking 3d6 fire damage on a failed save, and half as much on a successful one.
• The skeleton has advantage on saving throws against any effect that turns Undead.

Multiattack. The skeleton makes two attacks with its shortsword.

 Shortsword. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage.

Shortbow. Ranged Weapon Attack: +5 to hit, range 80/320 ft., one target. Hit: 6 (1d6 + 3) piercing damage.