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Full name Heckler & Koch UMP40
Country of Origin Germany[1]
Manufacturer Heckler & Koch[1]
Artist Renatus.z
Voice actor Emi Uema

UMP40 is an obtainable Tactical Doll in the game.

Weapon Background

After the success story of MP5, Heckler & Koch continued to develop selective firing close quarter combat SMGs, one of the development outcome and the official successor to MP5 is the UMP (Universale Maschinenpistole) series. UMP SMGs are selective fire, recoil operated and fires from a closed bolt, featuring three main variants which are designed to fire 9x19mm Parabellum, .45 ACP and .40 S&W. Compared to the older MP5 model, UMP was advertised to be more reliable, more modern and lower cost, other common features of the UMP SMGs are Picatinny rails placements (Along the top of the gun, both sides and bottom of the barrel) and a foldable buttstock.

UMP40 is the variant that chamber the .40 S&W cartridge, like the other two variants, UMP40 also features a 2-round burst fire mode, together with semi-automatic and fully automatic. Feeds on a 30-round detachable straight magazine, the weapon is able to reach a fire rate of 650 rounds per minute, reaching a muzzle velocity of 320m/s, covering up to 100 metres of effective range. Noted that UMP have their rate of fire reduced in order to compensate for the recoil generated from firing large pistol cartridge, making UMP series one of the slowest firing SMGs on the market.

UMP SMGs were also advertised to be compact and light weight, UMP40 variant have a total length of 450mm with the stock folded (690mm unfolded), it also weights only 2.3kg when unloaded thanks to the polymer made body frame.

After some FBI agent casualties during the 1986 Miami shoot out, the bureau was on the look out for a better alternative munition type than the servicing 9mm Parabellum, ideally of a bigger calibre but with a manageable level of recoil. .40 S&W was the chosen in the end with it's potential energy advantage over 9mm Parabellum and a more manageable recoil than the 10mm Auto cartridge of Bren Ten. Gaining favour and entered service with the bureau also gave it some popularity among other law enforcement units.[2]

Many other special policing units and investigative agencies all over the world have began to procure .40 S&W cartridge firearms into service, mostly in regions of Australia, Canada and the United States, sequentially boosted UMP40's sale. This also explains why unlike the other to UMPs, UMP40 is more commonly found enlisted to service with law enforcement units rather than military service.[3]

Character Info

Official character sheet of UMP40


SMG UMP45 and SMG UMP9's index number are 103 and 101 respectively, the number 40 also appeared on UMP9's character introduction. Based on these two facts many player would have guessed the 102 index slot was/will be UMP40, at last 40 joined the game with the announcement of the event Operation Deep Dive. Though if one followed Renatus.Z's twitter they may have noticed some posted artwork resemble a different looking character with a UMP SMG long before UMP40's release, such as this twitter post here.

.40 S&W Handgun cartridge is mostly used by law enforcement units, many character design features on UMP40 resembles that of a law enforcement personal or investigative field agent, such as the radio handset, smart business dress and the name card. UMP40's costume design differs greatly from UMP45, this suggests that UMP9 was made after the event of Deep Dive, produced with UMP45 as a template.

UMP40 was officially announced right before Deep Dive in July of 2017, she came fitted with voice lines, which suggests that her as a T-doll was programmed but never introduced into the game, or maybe never had an opportunity to be introduced. UMP40 chibi sprite retains a "Grenade Throwing" animation, which could potentially mean that her original skill was intended to be a grenade of some sort before changing to the current skill.

The default art of UMP40 does not have a fore-grip attached while her chibi sprite however does.


The official character setting states that UMP40 is a T-doll with super sunny and cheery personality, feels more superior than the others because of her UMP heritage, but she does possess a strong will and strong sense of team spirit. Most of her silly actions and speeches are purely for the purpose of gaining other's attention.

UMP40 address herself with "Atai (あたい)". As evident from her secretary and logistic mission quotes, her hobby is sunbathing, which would explains why she appears more tan than the other dolls. Other than sunbathing she also seem to enjoy partying. With her cheery personality she is good at making friends with other T-dolls, perhaps the silly way she behaves merely serves to strengthen the relationship bonds between comrades.

UMP40's best friend seem to be SMG MP5 despite saying that she is designed to replaced MP5 from service, several UMP40's quote mentions MP5, suggests that the two T-dolls have frequent interactions.


As a T-doll UMP40 seem to belong in a very specific niche since she does not fit with most ARSMG formations.

Being unable to provide buffs to ARs can be considered a major weakness in ARSMG formations. 500% increased crit rate might seem to be a big value, but SMG units by default only have 5% crit rate, when increased by 500% it only adds up to 30%. 100% crit rate can be achieved by fitting a suppressor, which takes up the accessory slot, meaning the SMG unit can no longer mount optics, which lose out on accuracy.

UMP40 features a one-of-a-kind skill, her active skill is a permanent toggle skill with a cool down of 666 seconds, it is unlikely for any combat sessions to last over 11 minutes for it to be available for activation again.

UMP40's own damage stat increases to a relatively high value after 10 seconds, with the 150% constant damage increase after 10 seconds she can contest the MVP title even against SMG SR-3MP in extended combat sessions. But at the cost of evasion rating being lowered, renders UMP40 just as vulnerable as SR-3MP.

By leaving the skill inactive UMP40's evasion status also increases up to a maximum value of 50% constant, but her low HP pool does mean she is not as good as the other top tier SMG evasion tanks such as SMG RO635 and SMG MP7. Her inability to buff AR units on her tile also does not contributes to her usage as a main tank.

Story Involvement

UMP40's only story involvement is in the prologue to the Sangvis Ferri uprising, the "Butterfly event". Her interactions were presented during Operation Deep Dive.


"This is classified information!"

This article contains spoilers. You have been warned. Click here to skip this part.

Butterfly Event

Through out the event of Deep Dive, UMP45 was slowly being corrupted by Parapluie, segments of her memories are being presented to the player which revealed the character UMP40. 40 as a character of the past who no longer exists on the present time axis, her actions changed 45's fate drastically.

40 comforts 45

Flash back to Butterfly event, being in the same situation as 45, 40 also have electronic warfare chips installed in place of fire control chips, which meant she was also an under performing T-doll when it comes to combat. A type of T-doll that had no more room for proper fire control systems, she was quickly given an easy weapon and with a makeshift ASST Digi-mind pattern for it.

"Look at my weapon, we are of the same series! I've been here for longer, I guess that makes me your Senpai senior!"

40 approached the moody 45 who just finished her training in the shooting range, the two being in similar situation quickly made friends with each other. At the time 45 was extremely upset because of her combat performance, she spent far more time in the shooting range than the other T-dolls, but without a fire control chip, she could never perform anywhere near the others. 40 regularly cheers 45 up by saying "Things will be different one day.". 45 looked up to 40 in many ways, as a friend, as a mentor, as a soul mate.

The duel

Soon enough 40 realised the purpose of their electronic warfare chips, they were meant to be used to attack the forces of the Homeland Security Agency electronically in their upcoming operation. After synchronizing their Digi-mind 40 found out that they are both modeled off the same Atlas format, 40 is the "key" while 45 is the "spare", the task that 40 cannot complete 45 will be forced under control and complete it. As a result of their electronic attacks, half way through the operation the factory became a battle royale, every T-doll except for 40 and 45 turned berserk. 40 hijacked and took over 45's commands, having teamed up with 45, the two fought waves after waves of berserked T-dolls until finally only the two of them remained.

The final wish

In the very end after 40 fulfilled her purpose, she realised that in an attempt to wipe out the evidence of this whole operation, her Digi-mind will be formatted remotely. Lying to 45 saying that both of them will die from the the electronic attack but it can be stopped if only one T-doll remains in the facility, she forced 45 into a duel. Losing the duel intentionally, 40's final request for 45 is to kill her, saying that as a T-doll she wishes to be killed in combat instead of being formatted, if 45 does not squeeze the trigger now, both of them will die from the format.

40 told 45 to take all of her equipment with her, she also gave 45 a memory chip that contains everything she wanted to tell 45. In truth she wanted 45 to become strong, to live not as a puppet but as an independent being, with the pull of the trigger, the shackle that binds 45 to her fate perishes, she walks towards the path of freedom, she is relinquished from the fate of the puppet.

"I may not be able to remove my own shackles, but the least I can do, is relief you of yours."

"Live, as long as you survive, your life is meaningful."

"Good bye 45, as long as you still remember me, to me, that would be the best happiness I can ever have."

Game Data

Chibi image
90(x1)180(x1) / 900(x5)
25(x1) / 85(x5) 20(x1) / 60(x5)
10 27
10 75
2 14
Rate of Fire
 Rate of Fire
59 85
Movement Speed
 Move Speed
Critical Hit Rate
 Crit. Rate
Critical Hit Damage
 Crit. Damage
Armor Penetration
 Armor Pen.
Icon slot Accessory.png Icon Telescopic Sight S 2star.png Icon Holographic Sight S 2star.png
Icon Red Dot Sight S 2star.png Icon Night Combat Equipment S 2star.png
Icon Silencer S 2star.png
Icon slot Magazine.png Icon Armor-Piercing Ammo S 2star.png Icon Status Ammo S 2star.png
Icon Shotgun Ammo S 2star.png
Icon High-Velocity Ammo S 2star.png
Icon slot Doll.png Icon Microchip S 2star.png Icon Exoskeleton S 2star.png
Icon Ballistic Plate S 2star.png Icon Camo Cape S 2star.png
Icon Ammo Box S 2star.png
Affects Submachine guns
Increases critical chance by 500%

Obtainable as a chance drop from Supply Crates during Operation Deep Dive (Or guaranteed drop from opening the 777th crate), currently not obtainable in game.


Dialogue Chinese Japanese Korean English
Acquisition UMP40,登场了!指挥官,那些过时的家伙们,就让我为您一一取代掉吧!(没有出货图) UMP40, ただいま参上、時代よくれのやつ、ぜ――んぶやちまう!Play UMP40, making an appearance! Commander, I will replace all those outdated girls for you! (Gain interface does not exist)
Introduction 为了取代旧时代的冲锋枪,我,也就是UMP40,终于被设计出来啦!虽然不得不说,MP5之类的也很努力,但毕竟是那个年代的产物嘛。只有稳定、精准的我,才是新的市场宠儿哦,指挥官,选我是没错的! To replace the older SMGs, me, UMP40 has been designed! Well, others like MP5 did their best, but after all they are from an older era. Me with my accuracy and reliability will surely be the new favourite of the market. Commander you can't go wrong with me!
Secretary 指挥官,来玩捉迷藏吧! 指揮官、ね!ね!鬼ごっこしよう!Play CN: Commander, let's play Hide and Seek!

JP: Commander, let's play Tag!

呜哇!……哼哼,以为我会被吓到吗,骗您的! わ!んん…ぶ…!嘘だよ!Play CN: Uwah! ...Hehe, You thought you scared me? That was a bluff!

JP: UWA! mmmm.... bu!!! it's nothing...

下次放假带我去海边吧,一边晒太阳,还要帮我擦防晒油哦。 今度海に連れてって、ひやけだめねってお。。Play CN: Take me to the beach next time, and help me rub sunscreen while I sunbathe.

JP: Take me to the sea next time, and be sure not to be faint)

Secretary (post OATH)
Commander, do you want to hold another party this weekend? You like my friends, right? They're all decent people, hehe♪
指揮官今日何こよ?これからにくよくに行くので… え?嘘! は⁈やった!!!皆にとくこれから指揮官はあたいのものだ! ほほほほほ
Commander, what do you need me for? I'm waiting to go to the beach…… Eh? No way, right now, you actually…… YAY! I'm gonna tell everybody that from now on, the Commander is mine!
Greeting 指挥官,今天的秘书是UMP40哦,好好记住哦 指揮官~ 今日の秘書はUMP40だよ… ちゃんとおぼいてね…Play Commander, today's secretary is UMP40, do remember it well~
T-Doll Produced 新的伙伴?是你吧MP5?  新しい仲間?MP5!あんたかしら?Play A new friend? MP5 is that you?
Joining an echelon 好好看着我哦 あたいをよく見てなさいよ~Play Pay attention to me ok~
Enhancement 这样就有出色的性能了! これで、性能抜群!Play Now I have outstanding performances!
Dummy-linking 像我这样的好武器,一把是不够的哦。 あったいみたいないぶきは…一方だけじゃっ足りないよ…Play A good weapon like me, you can't go with just one.
Logistics (start) 日光浴呢。 みこよくね!Play In to the sun shines!
Logistics (end) 我回来了!诶?又晒黑了? ただいま… え? まだひやけした?Play I'm back~! Ahh? I'm tanned again?
Autobattle 收到,我来帮忙了 ラージャ!手伝ってあげる!Play Roger, I'm coming to help.

Dialogue Chinese Japanese Korean English
Starting a combat mission 让你看看我的真正实力 見せてあげる!あたいの本当のまちから!Play I'll show you my true strength!
Starting a battle 敌人?反击开始了! てきね?反撃開始!Play Enemies? Begin counter attack!
Skill activation 准备,开火! よい! うて!Play Ready, fire!
没事的! 大丈夫!Play It's Ok!
做到这步就足够了! このぶらいでじゅうぶん!Play Doing this is more than enough!
Heavily damaged 做过头了呢,对不起 やるすぎだね… ごめんなさい…Play Over did it a little... Sorry...
Retreat 已经不行了…肚子饿地扁扁的 もう… だめ… お腹… ペコペコ…Play No, no more... I'm super hungry...
MVP 这才是新世代的枪!老家伙们才赢不了我! これぞ、ニュージェネレーション!古い奴らは、勝てないぞ。Play This is the new generation! Those antiques can't beat me.
Restoration MP5你为什么要来救我啊,明明一直欺负你…呜哇啊啊啊啊(大哭) MP5…、なんで助けに来んの?さんざん、いじめたのに…う、ひっ、うわぁぁぁぁぁん!(号泣)Play MP5... you came to save me, even though I was bullying you all this time... Waaaahhhhhh! (Cries)

Dialogue Chinese Japanese Korean English
Halloween Play
Christmas Play
New Year's Day


Valentine's day



  • The only T-doll in the game who received absolutely no damage to clothing on the damaged art.
  • The only weapon that only chambers the .40 S&W cartridge in the entire game.


  1. 1.0 1.1 Wikipedia entry on Heckler & Koch
  2. Wikipedia entry on .40 S&W
  3. Wikipedia entry on UMP series of SMG

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