Chief Paha

Siege Form. As an action, the ogre grows in size, it's size becomes huge for 1 hour. In addition, the ogre gains 50 temporary hit points, as these hit points remain, the ogre has advantage on strength and constitution saves, and deals one additional damage die when dealing damage with weapons. This ability recharges at the end of a long rest.

Castle Crasher. The ogre deals double damage to structures. Additionally, the ogre gains an additional +10 to strength checks to break through doors, gates, and similar structures.

Multiattack. The ogre makes a melee attack, then may make either an oil spray attack or flamethrower attack if available

Tower Smasher. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 18 (2d10 + 8) bludgeoning damage. On a hit, the target must make a DC 19 Strength save, on a failed save the target is pushed 10 feet away and knocked prone.

Oil Spray (3/day). Each creature in a 15-foot cone originating from the ogre must make a DC 15 Dexterity save or be coated in thick, flammable oil. Whenever a creature coated in oil takes fire damage, they take an additional 4 (1d8) fire damage and are lit ablaze, at the end of each of the burning creature's turns it takes 4 (1d8) fire damage until the oil is washed off.

Flamethrower (3/day). Each creature in a 15-foot cone originating from the ogre must make a DC 15 Dexterity saving throw, taking 12 (3d8) fire damage on a failed save. Every flammable object not being held or carried is set ablaze.

Crushing Rebuke. When hit by a melee attack, the ogre may use its reaction to add +2 to its AC, interposing its weapon between itself and the attack, should this cause the attack to miss the ogre, the ogre may make a melee attack against the attacker with the butt of its weapon. On a hit, the target takes 11 (1d6+8) bludgeoning damage and must make a DC 15 Constitution saving throw, on a failed save, being stunned until the end of the creature's next turn.