[Cannon Blast] 150 yd range—Launches a cannonball at the target. Inflicts 1000 Siege damage and generates 6 to 10 Heat. Instant
[Incinerating Blast] (10 Heat) 150 yd range—Consumes all of the cannon's Heat to launch a massive ball of fire at the target. Inflicts 1000 Siege damage plus additional damage per point of Heat. Instant (1.5 sec cooldown)