Excal-heim
Immutable Form. Sproket is immune to any spell or effect that would alter its form.
Magic Resistance. Sprocket has advantage on saving throws against spells and other magical effects.
Siege Monster. Sproket deals double damage to objects and structures.
Drops: Captains hat(+1 cha)
Sproket makes 2 attacks.
Arm-mounted flamethrower. Ranged Weapon Attack: +7 to hit, All creatures in a 50-foot-line. Hit: 29 6d6+8 Fire.
Kick. Melee Weapon Attack: +7 to hit, reach 5ft, one target. Hit: 8 1d6+4 Bludgeoning and knocks creature back 10 feet.