Bob the Breaker

Siege Monster. Bob the Breaker deals double damage to objects and structures.

Reactive. Bob the Breaker has two reactions. 

Explosive Avoidance. Bob the Breaker has advantage on dexterity saving throws.

Multiattack. Bob the Breaker makes two Grenade Launcher attacks.

Grenade Launcher. Ranged Weapon Attack: +9 to hit, range 120/180 ft., 1target. Hit: 19 (4d6 + 5) fire damage. 

Bomb on a stick. Melee Weapon Attack: +8 to hit, feet 5ft., 1 target. Hit: 10(1d12 + 4) bludgeoning damage. Any Creature hit by the Bomb on a stick must make a DC 17 dexterity saving throw, taking 14(4d6) or half as much on a successful save. 

Rocket Launcher. Ranged Weapon Attack: +9 to hit, range 60/90 ft; 1 target. Hit: 23(4d8+5) fire damage.

Rocket Leap. Bob the Breaker aims his rocket launcher at the ground, releasing a rocket causing an explosion in a 10 ft radius, centred on himself. All creatures within range, including Bob the Breaker, must make a DC 17 dexterity saving throw, taking 27 (6d8) fire damage or half as much on a successful save. Upon using this, Bob the Breaker flies 25 ft into the air and moves up to 25 ft. This movement does not provoke oppurtunity attacks.  

Stamina Recovery (2/day).  Bob the Breaker dwells on strength within himself, regaining hit points equal to 1d10+9.

Explosive Mine (5/day).  Bob the Breaker places one explosive mine anywhere within a 20 ft radius. When Bob the Breaker places a mine, he makes a stealth check contested by all hostile creatures passive perception, in order to hide the Mine. He may detonate it with his reaction.

Detonate. When a creature steps within 5 ft of the Explosive Mine, Bob the Breaker may activate it, causing all creatures within 5 ft to make a DC 17 dexterity saving throw, taking 22 (4d10) fire damage or half as much on a successful save.

Bob the Breaker can take 1 legendary action, 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. Bob the Breaker regains spent legendary actions at the start of its turn.

Rocket Launcher. Bob the Breaker makes one attack with his Rocket Launcher.

Rocket Bombardment(1/day). Bob the Breakers final, ultimate attack. This last resort attack fires up to six miniature rockets from his rocket launcher. Each miniature rocket has +9 to hit, and deals 14 (2d8+5) fire damage, with a range of 120 ft.