Calamity Class Weapon: A-10 Warthog

Adamantium Body. The A-10 Warthog is immune to being critically hit.

Magic Resistance. The A-10 Warthog has advantage on saving throws against spells and other magical effects.

Avoidance. If the A-10 Warthog is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.

Unusual Nature. The A-10 Warthog doesn’t require air, drink, or sleep.

Siege Monster. The A-10 Warthog deals double damage to objects and structures.

Radar. The A-10 Warthog cannot be surprised.

Legendary Resistance (4/Day). If the A-10 Warthog fails a saving throw, it can choose to succeed instead.

Multi-Attack. The A-10 Warthog makes 6 Main Gatling attacks and 2 Missile attacks.

Main Gatling. Ranged Weapon Attack: +15 to hit, range 120/240 ft., 1 target. Hit: 39 (3d12 + 15) piercing damage.

Missile. Ranged Weapon Attack: +15 to hit, range 300/600 ft., 1 target. Hit: 59 (4d20 + 15) bludgeoning damage plus 40 (8d6) fire damage. All creatures within 5 feet of the creature hit by this attack take damage equal to the fire damage dealt.

Bombing Run (Recharge 5-6). The A-10 Warthog makes a bombing run over a 100-foot line that is 10 feet wide. Each creature in the Bombing Run must make a DC 27 Dexterity saving throw. A creature takes 220 (20d20) Fire Damage on a failure, taking half damage on a success. If a creature fails the Dexterity saving throw, they must make a DC 27 Constitution saving throw. On a failure, the creature is deafened and blinded.

Sensor. As a bonus action, the A-10 Warthog can send out a blast of radar. This reveals the location of all creatures in a 600 ft radius to the A-10 Warthog until the end of it's next turn.

Aiming System. As a bonus action, the A-10 Warthog can give itself advantage on all attack rolls until the beginning of its next turn.

Shields Up. As a reaction, the A-10 Warthog can create a magical shield around itself, giving it a +5 to AC until the beginning of it's next turn.

Evasive Maneuvers. As a reaction, the A-10 Warthog can begin moving in an evasive way. Until the beginning of it's next turn, all Ranged Attacks have disadvantage against it.

The A-10 Warthog can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. The A-10 Warthog regains spent legendary actions at the start of its turn.

Move. The A-10 Warthog moves up to its movement speed.

Main Gatling. The A-10 Warthog makes two Main Gatling attacks.

Missile (Costs 2 Actions). The A-10 Warthog makes a Missile attack.