Demise Armor (5e Creature)
From D&D Wiki
Large undead, unaligned
Saving Throws Int +5, Wis +6, Cha +7
Turn Immunity. The Demise Armor is immune to spells and effects that turn undead.
Magic Resistance. The Demise Armor has advantage on saving throws against spells and other magical effects.
Shadow Stealth. While in dim light or darkness, the Demise Armor can take the Hide Action as a bonus action.
Multiattack. The Demise Armor makes two claw attacks.
Piercing Claw. Melee Weapon Attack: +8 to hit, reach 15 ft., one target. Hit: 20 (3d10 + 4) piercing damage. If the target is a creature, the Demise Armor can pull the target up to 10 feet toward itself, and the target is grappled (escape DC 14)
A Demise Armor is a powerful sentient bone armor created by the spell Create Demise Armor and linked to a powerful necromancer. Since it may be created using the skeleton of a bigger creature, its size and HP may change.
It will do its best to ensure its master safety, either fighting separately or protecting them with its own body.
The armor's master may put it on and use it as an armor set, as described next: Entering and leaving the armor works as riding a normal mount. While on it, you count as a singular unit and act on your initiative:
You can also use spell slots in the armor for further utilities, described in the spell page (Create Demise Armor)