Editing Sentry

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{{SameName|Sentry|[[Sentry|Tower]] • [[Sentry (Unit)|Unit]]}}
{{removed|date = 29th of October 2020}}
{{for|other uses of the [[Sentry (Disambiguation)|Sentry]]|the [[Turret]]|the [[Gatling Gun]]}}
{{TowerInfobox
|title = Sentry
|image-static = Sentry.png
|image-dynamic = SentryDynamic.png
|image-dynamic-start = 0
|unlockcost = {{Coins|3,650}}
|basecost = {{Money|750}}
|basesellingprice = {{Money|250}}
|placement = Ground
|basedamage = [[File:Damage Icon.png|20px|Damage]]1
|damagetype = Single
|basefirerate = [[File:Cooldown Icon.png|20px|Firerate]]0.75
|baserange = [[File:Range Icon.png|20px|Range]]15
|hidden_detection = {{Attr|Hidden|Level 5}}
|immune = None
|footprint = Average
}}
{{QuoteContainer|
{{QuoteBox|Shoot up to x2 the firerate!|Store Description}}
}}
__TOC__
==Description==
The '''Sentry''' was a [[tower]] with a unique spool-up mechanic. It could have been purchased for {{Coins|3,650}} from the store prior to the 24th of December 2019. Those who bought the '''Sentry''' can no longer use it, as it has been removed after the [[Overhaul v1.0|Overhaul Update]].

When the '''Sentry''' locked onto a target, it would start to spool-up until its firerate was half its original firerate without the [[Firerate Bug]], though due to the [[Firerate Bug]], this would not be the case. For example: At Level 5 the firerate was meant to be 0.2 minimum and capped at 0.1 maximum, however due to the [[Firerate Bug]], they were effectively increased to about 0.25 minimum and 0.15 maximum firerate. The spool-up would last about 5 seconds.

The '''Sentry''' also had a noticeable delay when switching between targets, making it a very situational tower. And while it could still shred through single targets, this delay rendered it terrible against hordes, making it most effective against bosses.

==Upgrades==
{{Upgrade|Level = Level 1|Cost = {{Money|500}}|Image = [[File:Sentry1.png|100px]]|Information = 
+2 Range [[File:Range Icon.png|20px|Range]]

+2 Damage [[File:Damage Icon.png|20px|Damage]]


Sell Price changes to {{Money|416}}}}
{{Upgrade|Level = Level 2|Cost = {{Money|1,200}}|Image = [[File:Sentry2.png|100px]]|Information =
+1 Range [[File:Range Icon.png|20px|Range]]

+1 Damage [[File:Damage Icon.png|20px|Damage]]

0.75 > 0.45 Firerate [[File:Cooldown Icon.png|20px|Firerate]]


Sell Price changes to {{Money|816}}}}
{{Upgrade|Level = Level 3|Cost = {{Money|2,200}}|Image = [[File:Sentry3.png|100px]]|Information =
+1 Range [[File:Range Icon.png|20px|Range]]

+2 Damage [[File:Damage Icon.png|20px|Damage]]


Sell Price changes to {{Money|1,550}}}}
{{Upgrade|Level = Level 4|Cost = {{Money|4,500}}|Image = [[File:Sentry4.png|100px]]|Information =
+2 Range [[File:Range Icon.png|20px|Range]]

+1 Damage [[File:Damage Icon.png|20px|Damage]]

0.45 > 0.3 Firerate [[File:Cooldown Icon.png|20px|Firerate]]


Sell Price changes to {{Money|3,050}}}}
{{Upgrade|Level = Level 5|Cost = {{Money|9,250}}|Image = [[File:Sentry5.png|100px]]|Information =
+2 Range [[File:Range Icon.png|20px|Range]]

+2 Damage [[File:Damage Icon.png|20px|Damage]]

0.3 > 0.25 Firerate [[File:Cooldown Icon.png|20px|Firerate]]

+Hidden Detection {{Hidden|Hidden Detection}}


Sell Price changes to {{Money|6,216}}}}

==Statistics==
''To see all the previous statistics of this tower, see the [[/History|history]] page.''
{{neow|<nowiki>
<var>
$LFR$ = {{#expr:Highest Firerate / 2 round 3}}
$HDPS$ = Damage / Highest Firerate
$LDPS$ = Damage / Lowest Firerate
$HCE$ = Total Price / Min DPS
$LCE$ = Total Price / Max DPS
$TP$ = $FNC-TOTALPRICE$
$FNC-COST$ = 750; 500; 1200; 2200; 4500; 9250
$FSE-DETECTION$ = 5; ;
$FSE-UPGRADE$ = N/A; N/A; N/A; N/A; N/A
$FSE-UPGRADEICON$ = 3577061449; 3577062073; 3577062667; 3577063194; 3577063555
$FNC-ROFBUG-2019$ = Highest Firerate; Lowest Firerate
$FSE-META$ = Unavailable; File:Sentry.png
$HFREF$ = <ref>Highest Firerate is the highest firerate, before spooling-up.</ref>
$LFREF$ = <ref>Lowest Firerate is the lowest firerate, after a full spool-up.</ref>
$HDREF$ = <ref>Minimum DPS uses highest firerate.</ref>
$LDREF$ = <ref>Maximum DPS uses lowest firerate.</ref>
</var>
<div class="overflow-box">
{| class="wikitable stats-table"
! Level !! Total Price !! Damage !! Highest Firerate$HFREF$ !! Lowest Firerate$LFREF$ !! Spool-Up Time !! Range !! Min DPS$HDREF$ !! Max DPS$LDREF$ !! Min Cost Efficiency !! Max Cost Efficiency
|-
| 0 || {{Money|$TP$}} || 1 || 0.7 || $LFR$ || 5 || 15 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|-
| 1 || {{Money|$TP$}} || 3 || 0.7 || $LFR$ || 5 || 17 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|-
| 2 || {{Money|$TP$}} || 4 || 0.4 || $LFR$ || 5 || 18 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|-
| 3 || {{Money|$TP$}} || 6 || 0.4 || $LFR$ || 5 || 19 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|-
| 4 || {{Money|$TP$}} || 7 || 0.25 || $LFR$ || 5 || 21 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|-
| 5 || {{Money|$TP$}} || 9 || 0.2 || $LFR$ || 5 || 23 || $HDPS$ || $LDPS$ || {{Money|$HCE$}} || {{Money|$LCE$}}
|}
</div>
</nowiki>}}

==Strategy==
*To make better use of the '''Sentry's''' spool-up, consider changing its target to ''Strongest''.
**However, be aware if two enemies have similar health to each other, the '''Sentry''' will continuously swap between attacking these two enemies. This will reduce the damage output of the '''Sentry''' due to the delay between switching targets.
**The same issue occurs with if targeting is set to ''First''. The '''Sentry''' will swap targets if the initial target is overtaken. For this reason, the '''Sentry''' is fairly weak against the [[Necromancer (Legacy Enemy)|Necromancer]].
***Consider using the [[Rocketeer]] or [[Demoman]] alongside the '''Sentry''' to reduce the amount of enemies that the '''Sentry''' can target.
*If the '''Sentry''' gets stunned by enemies, the spool-up will reset.
**You can place the '''Sentry''' further away from the path to reduce the chances of this happening.
*The '''Sentry''' fires faster as long as its target is within range.
**You can extend the time an enemy is in range with a [[Pyromancer]], [[Freezer]] and [[Electroshocker]], so long the specific enemy is not immune to their effects.
*The '''Sentry''' will have difficulty attacking fast enemies, such as the [[Error]], without a supporting tower.
**This is due to the delay when switching between targets.
*The '''Sentry''' is most effective against the major bosses due to their high health and slow speed.
**Be aware that most major bosses will be able to stun the '''Sentry''', resetting the spool-up. The boss may also spawn enemies, which will distract the '''Sentry''' away from the boss.
***You can set the '''Sentry's''' targeting to ''Strongest'' to prevent this.
*The [[Commander]] is recommended with the '''Sentry''' as it reduces spool-up time as well as minimum firerate.

==Trivia==
*The '''Sentry''' made a small beep when its target moved out of range or was killed.
**The '''Sentry''' also made the same sound when stunned.
*The '''Sentry''' was loosely based on a multitude of games including ''Risk of Rain 2'' and ''Team Fortress 2''.
**The '''Sentry''' design was based on ''Team Fortress 2's'' [https://wiki.teamfortress.com/wiki/Sentry_Gun Sentry Gun].
*The '''Sentry''' was the first tower to rely on RNG for an upgrade.
**The '''Sentry''' used to have a 30% chance to receive a teddy bear at Level 5, which gave it hidden detection. After 5 August 2019, however, this did not affect anything statistics-wise as the '''Sentry''' could now always detect hidden enemies at Level 5.
**The Teddy Bear on top of the '''Sentry''' was the [https://www.roblox.com/catalog/12848902/Teddy-Bloxpin Teddy Bloxpin] from the Roblox catalog.
*Prior to the [[Release v1.0|MEGA Update]], the '''Sentry''' was the only tower to have its default targeting set to ''Strongest''.
**After the update, the '''Sentry''' had the default target setting of ''First'', similar to other towers.
*This was the only tower to make use of the spool-up mechanic.
**This was the first tower to have the lock-on mechanic, in which it would target the enemy it first attacked until it was dead or moved out of range, even if other enemies overtook it or had more health than it.
***This was removed in the [[Release v1.0|MEGA Update]].
*The '''Sentry''' was likely made unobtainable, and later removed, most likely due to the multitude of bugs the '''Sentry''' encountered. 
**There was a firerate issue with the '''Sentry''' where its minimum firerate was not half of the maximum firerate.
***This issue was resolved with a [[Commander]] as the minimum firerate is as expected, with [[Firerate Buff]] applied.
**The lock-on mechanic does not work. For this reason, the '''Sentry''' constantly changes targets whenever another suitable enemy enters its range.
**The displayed firerate for this tower was a leading decimal when spooling-up. Even at minimum firerate, the number displayed was a leading decimal and was not a terminating decimal.
*Only people who bought the '''Sentry''' prior to the 24th of December 2019 could use it up until its removal.
**However, as of the [[Overhaul v1.0|Overhaul Update]], the people who bought the '''Sentry''' can no longer use it.
*The '''Sentry''' is featured in the {{RLinkC|4645927667|Portable Sentry}} accessory, which comes from the [[Roblox Core Pack - Tower Defense Simulator]], despite its removal from the game.

== Update History ==
''For previous cosmetic variations, see the [[Sentry/Gallery|gallery]] page.''

{{Scroll|text=
*'''2 August 2019''' - [[BETA v1.7|BETA v1.7.0]]
**'''Sentry''' added.
**Later on during the day, statistical changes:
***'''Level 4'''
****Damage increased from +0 to +2.
***'''Level 5'''
****Damage increased from +1 to +2.
**Spool-Up time changed from 6 seconds to 5 seconds.
*'''3 August 2019''' - [[BETA v1.7|BETA v1.7.1]]
**Statistical changes:
***'''Level 5'''
****Hidden detection changed from 100% chance to 30% chance.
****30% for Teddy Bear added (attached to hidden detection).
*'''5 August 2019''' - [[BETA v1.8|BETA v1.8.0]]
**Placement limit increased from three to five.
**Default targeting setting changed to ''Strongest''.
**Statistical changes:
***'''Level 5'''
****Hidden detection changed from 30% chance to 100% chance.
*'''13 October 2019''' - [[Release v1.0|Release v1.0.0]]
**Placement limit increased from five to seven.
**'''Sentry''' default target setting changed to ''First''.
**Statistical changes:
***'''Base'''
****Range changed from 8 to 15.
***'''Level 5'''
****Teddy Bear 30% chance removed.
**{{Bug}} Lock-On and Spool-Up mechanic removed.
*'''14 October 2019''' - [[Release v1.0|Release v1.0.1]]
**Placement limit removed.
*'''9 November 2019''' - [[Release v1.2|Release v1.2.0]]
**{{Bugfix}} Restored Spool-Up mechanic.
*'''24 December 2019''' - [[Release v1.5|Release v1.5.0]]
**Removed from the shop, making '''Sentry''' unobtainable.
**Statistical changes:
***'''Level 3'''
****Damage decreased from +3 to +2.
*****{{Bug}} This was not changed in the upgrade description.
***'''Level 4'''
****Damage decreased from +2 to +1.
*****{{Bug}} This was not changed in the upgrade description.
*'''29 October 2020''' - [[Overhaul v1.0|Overhaul v1.0.0]]
**'''Sentry''' removed.
}}

==Notes==
<references/>



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[[Category:Ground]]