Difference between revisions of "Sentry Buster"

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Once a defending Sentry Gun has dealt either 15 kills or 3000 damage to the robot horde (by default), a Sentry Buster will be dispatched; they do not appear under any other circumstances. Once deployed, the Sentry Buster will make a beeline for the Sentry Gun that triggered its appearance. Upon reaching its target, it crouches and begins beeping. A few seconds later, it detonates in a massive explosion guaranteed to level the offending Sentry and just about anything else within approximately a three-[[Teleporter]] radius, including other non-giant robots around it.
 
Once a defending Sentry Gun has dealt either 15 kills or 3000 damage to the robot horde (by default), a Sentry Buster will be dispatched; they do not appear under any other circumstances. Once deployed, the Sentry Buster will make a beeline for the Sentry Gun that triggered its appearance. Upon reaching its target, it crouches and begins beeping. A few seconds later, it detonates in a massive explosion guaranteed to level the offending Sentry and just about anything else within approximately a three-[[Teleporter]] radius, including other non-giant robots around it.
  
While inattentive Engineers will be sure to lose at least their Sentry to a Sentry Buster, aware ones with a competent team can deal with it without too much trouble. Sentry Busters can simply be killed before they reach their target, which will cause them to wind up and explode prematurely. [[Haul]]ing the target Sentry out of the detonation zone will save it, as Sentry Busters cannot move once they begin counting down, but will not protect any other buildings that may be nearby. Should the Engineer be daring, he can pick up his Sentry and carry it around the map, which will cause the Sentry Buster to chase him indefinitely until it gets close enough to explode; this does, however, stop the Engineer and their Sentry from attacking the rest of the horde. [[Knockback]] can keep a Sentry Buster at bay long enough to destroy it, but once they begin the detonation process, they are immune to it (excluding air blast) . However, regardless of how a team defeats a Sentry Buster, the robot horde will continue to send them out after a mission-specific delay time until the target Sentry is destroyed or the wave is completed. As a result, it may be preferable to allow it to do its work and simply build a new Sentry Gun.
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While inattentive [[Engineers]] will be sure to lose at least their Sentry to a Sentry Buster, aware ones with a competent team can deal with it without too much trouble. Sentry Busters can simply be killed before they reach their target, which will cause them to wind up and explode prematurely. [[Haul]]ing the target Sentry out of the detonation zone will save it, as Sentry Busters cannot move once they begin counting down, but will not protect any other buildings that may be nearby. Should the Engineer be daring, he can pick up his Sentry and carry it around the map, which will cause the Sentry Buster to chase him indefinitely until it gets close enough to explode; this does, however, stop the Engineer and their Sentry from attacking the rest of the horde. [[Knockback]] can keep a Sentry Buster at bay long enough to destroy it, but once they begin the detonation process, they are immune to it (excluding air blast). However, regardless of how a team defeats a Sentry Buster, the robot horde will continue to send them out after a mission-specific delay time until the target Sentry is destroyed or the wave is completed. As a result, it may be preferable to allow it to do its work and simply build a new Sentry Gun.
  
 
Sentry Busters will spawn against and target [[Mini-Sentry|Mini-Sentry Guns]], but they will ignore [[Upgrade Station#Buildings|Disposable Sentry Guns]], even if it is doing more work than the primary one. If a Sentry is destroyed before the Sentry Buster gets there, it will continue running to where the Sentry used to be and detonate. One Sentry Buster can spawn for each Engineer on the defending team. Should a Sentry Buster be unable to plot a path to its target Sentry Gun, it will simply explode once it enters the playing area.
 
Sentry Busters will spawn against and target [[Mini-Sentry|Mini-Sentry Guns]], but they will ignore [[Upgrade Station#Buildings|Disposable Sentry Guns]], even if it is doing more work than the primary one. If a Sentry is destroyed before the Sentry Buster gets there, it will continue running to where the Sentry used to be and detonate. One Sentry Buster can spawn for each Engineer on the defending team. Should a Sentry Buster be unable to plot a path to its target Sentry Gun, it will simply explode once it enters the playing area.
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'''{{Patch name|1|9|2015}}'''
 
'''{{Patch name|1|9|2015}}'''
* Fixed using the Holiday Punch to tickle Mann vs. Machine enemy bots
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* Fixed using the [[Holiday Punch]] to tickle Mann vs. Machine enemy bots
  
 
'''{{Patch name|7|14|2016}} #1'''
 
'''{{Patch name|7|14|2016}} #1'''

Revision as of 17:38, 1 May 2017

Sentry Buster
Sentry Buster
Basic Information
Health: 2500
Speed: 187%
Essentially a bomb on legs, the Sentry Buster will detect any sentry that’s dealing sustained damage to the Robot Horde, then initiate its deviously complicated protocol: run at the offending sentry and explode.
Mann Vs. Machine publicity blurb

The Sentry Buster is a specialized robot that appears in the Mann vs. Machine mode when a Sentry Gun has dealt significant damage to the robot horde. It appears as a large pair of legs similar to a Demoman robot, but with a large naval mine for a torso.

Once a defending Sentry Gun has dealt either 15 kills or 3000 damage to the robot horde (by default), a Sentry Buster will be dispatched; they do not appear under any other circumstances. Once deployed, the Sentry Buster will make a beeline for the Sentry Gun that triggered its appearance. Upon reaching its target, it crouches and begins beeping. A few seconds later, it detonates in a massive explosion guaranteed to level the offending Sentry and just about anything else within approximately a three-Teleporter radius, including other non-giant robots around it.

While inattentive Engineers will be sure to lose at least their Sentry to a Sentry Buster, aware ones with a competent team can deal with it without too much trouble. Sentry Busters can simply be killed before they reach their target, which will cause them to wind up and explode prematurely. Hauling the target Sentry out of the detonation zone will save it, as Sentry Busters cannot move once they begin counting down, but will not protect any other buildings that may be nearby. Should the Engineer be daring, he can pick up his Sentry and carry it around the map, which will cause the Sentry Buster to chase him indefinitely until it gets close enough to explode; this does, however, stop the Engineer and their Sentry from attacking the rest of the horde. Knockback can keep a Sentry Buster at bay long enough to destroy it, but once they begin the detonation process, they are immune to it (excluding air blast). However, regardless of how a team defeats a Sentry Buster, the robot horde will continue to send them out after a mission-specific delay time until the target Sentry is destroyed or the wave is completed. As a result, it may be preferable to allow it to do its work and simply build a new Sentry Gun.

Sentry Busters will spawn against and target Mini-Sentry Guns, but they will ignore Disposable Sentry Guns, even if it is doing more work than the primary one. If a Sentry is destroyed before the Sentry Buster gets there, it will continue running to where the Sentry used to be and detonate. One Sentry Buster can spawn for each Engineer on the defending team. Should a Sentry Buster be unable to plot a path to its target Sentry Gun, it will simply explode once it enters the playing area.

Destroyed Sentry Busters, whether by themselves or by the players, leave no money. A large cloud of dark grey smoke lasting a few seconds remains after detonation, blocking the view of players within the range of the smoke.

Related achievements

Mvm navicon.png Mann vs. Machievements

Bot-Buster
Bot-Buster
Kill 5 robots in a single explosion from detonating a sentry buster.


Real Steal
Real Steal
As an Engineer, escape with your sentry as a sentry buster is about to detonate.
Ctrl + Assault + Delete
Ctrl + Assault + Delete
Destroy a sentry buster before it reaches its target.

Update history

August 15, 2012 Patch (Mann vs. Machine Update)

  • The Sentry Buster was added to the game.

August 17, 2012 Patch

  • Fixed Sentry Busters picking disposable buildings as valid targets.
  • Fixed an instance of the Sentry Buster sound looping endlessly.

September 16, 2013 Patch

  • [Undocumented] Sentry Busters now destroy robots when they explode.

September 18, 2013 Patch

  • Notes missed from Monday's update:
    • Updated Sentry Busters in Mann vs. Machine mode to damage teammates when they explode.

January 9, 2015 Patch

  • Fixed using the Holiday Punch to tickle Mann vs. Machine enemy bots

July 14, 2016 Patch #1

  • Fixed sentry buster sounds not being cleaned up properly after detonating

Bugs

  • Defenders will occasionally announce its presence as a giant robot instead of as a Sentry Buster.
  • Only the legs will tint yellow when soaked in Jarate, due to the material proxy required being missing from the material for the pressure mine segment of the model (demo_buster.vmt).
  • In the Halloween mission Caliginous Caper, Sentry Busters will spawn with Demoman upper arms levitating at their sides, and Spine-Chilling Skull hats on their invisible heads.
  • Sometimes, when a Sentry Buster is killed, it will simply vanish instead of crouching and exploding. When this happens, the kill feed will show that the player killed the Sentry Buster with their weapon.
    • This can happen most frequently with weapons that cause normal enemies to be vaporized, such as the Cow Mangler 5000 or the Medic's projectile shield. Weapons that inflict movement hindrance on hit, such as Natascha, any of the Heavy's primary weapons that have rage knockback and are employing it actively, or any of the Soldier's primary weapons upgraded with rocket specialist can also do this. Finally, Sentry Busters that are airborne may also likely be "destroyed" in this manner.
  • If the defenders lose the round, and a Sentry Buster reaches a Sentry Gun, it will attack it as if it were wielding a broken Ullapool Caber, and will continue to do so until the round resets or the Sentry Gun dies.
  • Occasionally in Mannhattan, if the Sentry Buster is active when the robots capture one of the gates, it will rush over toward the capture point and stay there, disregarding the sentry entirely until the robots become active again.
  • In some occasions, a Pyro that airblasts the Sentry Buster as it loses its health or reaches its target will not animate its detonation or its associated sound, thus resulting with the Sentry Buster exploding without warning, usually in midair.
  • When a Sentry Buster explodes, the players can hear Demoman's voice while it takes damage. This will also occur when it destroys a building.

Trivia

The hitscan hitboxes of a Sentry Buster.
  • The Sentry Buster is considered to be a giant Demoman wielding the Ullapool Caber. As a result, it shares animations and hitboxes with the giant Demoman robot (resulting in having invisible arm and head hitboxes) and appears to be holding the Ullapool Caber in first-person view to spectators, with any kills credited to it using the Ullapool Caber kill icon. As voice responses do not appear to be disabled for the Sentry Buster, it will use the giant Demoman robot's voice clips when speaking. Voice commands, such as the "Spy!" one, also refer to the Sentry Buster as a Demoman. Additionally, since it has a head hitbox, it can be headshot for critical damage.
  • Since Sentry Busters become immune to damage and explode when their health reaches 1, it functionally has 2499 health as opposed to 2500.
  • A Sentry Buster's detonation is linked to its taunt function. This resulted in a now-fixed bug where forcing it to taunt via the Holiday Punch would cause it to explode prematurely.

Gallery

See also