Dreadnought: When a creature ends their turn within 15ft of the Undead Dreadnought, it must make a Wisdom saving throw DC(16), on a fail the creature is frightened, on success nothing happens. Creatures that fail the saving throw can make the save again DC(13) on the start of their turn once they are more than 15ft away from the Dreadnought.
Multiattack. The Dreadnought makes two slam attacks. Slam. Melee weapon attack: +10 to hit, reach 10ft. one target, Hit: 17 (2d8+7) 2d8+7 Bludgeoning damage Leeching Horror. As a bonus action, The Dreadnought heals 1d10+7 1d10+7 for each creature that is frightened of it. Dreadnought's Gaze. As a bonus action, The Dreadnought stares into a targets soul, if the creature can see the Dreadnought it must succeed a wisdom saving throw (DC 16) or be frightened. If the creature is frightened it can remake the saving throw at the beginning of it turn, if the creature were to fail again while frightened, reduce the DC(16) by one(1) until they succeed the saving throw. (this DC is reset to 16 when the creature is frightened from the dreadnought again.)