Nethertech Power Armor

Armor (full plate, nethertech), rare (requires attunement by a creature neither immune to nor resistant to necrotic damage)

While you wear this armor, you get a +1 bonus to your Armor Class and your Strength score and Constitution score are each 19 (scores above 19 remain unchanged). Nethertech Cost. You have disadvantage on Constitution saving throws while wearing this armor. Due to its weight, you also have disadvantage on Dexterity checks using Acrobatics and Stealth. In addition, your speed is always reduced by 5 feet while you wear this power armor.