Adamantine Skeleton (5e Creature)
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Medium undead, lawful evil
Saving Throws Wis +2, Cha +1
Adamantine Body. Any critical hit against the skeleton becomes a normal hit.
Magic Resistance. The skeleton has advantage on saving throws against spells and other magical effects.
Multiattack. The skeleton makes three attacks.
Flail. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) bludgeoning damage.
Shortbow. Ranged Weapon Attack: +5 to hit, range 80/320 ft., one target. Hit: 5 (1d6 + 2) piercing damage.
An adamantine skeleton is a twisted creation of necromancy and transmutation. This monstrosity is an unliving warrior made of animated bones that have been plated with solid adamantine—one of the hardest substances in existence.
Undead Nature. An adamantine skeleton doesn't require air, food, drink, or sleep.