Magic Resistance. This monster has advantages in spell saves and other magical effects.
Nuke-Eater. This monster can make a Constitution Saving throw on a Dexterity Saving Throw.
Relentless Contract. If Beelzebub violates Timo’s Contract, then it takes 15 (3d10) Radiant Damage.
Frightening Presence. Start of combat, enemies must make a DC 17 Wis save or are frightened for 1 round.
Multiattack. 2 Sword and 1 Hammer
Sword. Melee Weapon Attack:(+13), reach 10 ft. Hit: 13 (2d6 + 7) slashing damage
Hammer. Melee Weapon Attack:(+13), reach 10 ft. Hit: 19 (2d12 + 7) bludgeoning damage.
Hyper Screech (Recharge 6). Beelzebub exhales a shredding force in a 40-foot cone. Each creature in that area must make a DC 17 Dexterity saving throw, taking 39 (8d8+7) force damage on a failed save, or half as much on a successful one.
Beelzebub gets a Legendary Action once per round.
2 Hammer attacks