Blastromech Series, BT-1

A homicidal assassin droid created by the Galactic Empire's Tarkin Initiative, the BT-1 model is designed to look like an astromech droid in order to fool others. The droid is armed with a variety of weapons including several blaster cannons, flamethrowers, and rockets. The BT-1 model is also equipped with rocket boosters.

Armor Class 17 · Hit Points 90 (12d8+36) · Speed 25 ft.

Circuitry (Trait). The droid has disadvantage on saving throws against effects that would deal ion or lightning damage.

Legendary Resistance (Trait). If the assassin droid fails a saving throw, it can choose to succeed instead.

Multiattack (Action). The assassin droid makes three Blaster Cannon attacks.

Blaster Cannon (Action). Each creature in a 10 foot cube centered on a point the droid can see within 100 feetmust make a DC 16 Dexterity saving throw. A creature takes 9 (1d10+4) energy damage on a failed save.

Flamethrower (Action). Each creature in a 30-foot cone must make a DC 16 Dexterity saving throw. A creature takes 36 (8d8) fire damage on a failed save, or half as much on a successful one. The fire ignites any flammable objects in the area that aren't being worn or carried.

Rocket Barrage (Action). Each creature in a 20-foot-radius sphere centered on a point that you can see within 150 feet must make a DC 16 Dexterity saving throw. A target takes 14 (4d6) kinetic damage and 14 (4d6) fire damage on a failed save, or half as much damage on a successful one.

Attack (Legendary). The assassin droid makes one Blaster Cannon attack.

Detect (Legendary). The assassin droid makes a Wisdom (Perception) check.

Rocket Boost (Legendary). The assassin droid leaps up to 40 feet in any direction. This movement does not provoke opportunity attacks.