Gotham Knights

Gotham Knights

61 Achievements

1390 XP

40-50h

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Gotham's Greatest Depths

Gotham's Greatest Depths

Complete 30 floors and banish the cosmic threat in Heroic Assault

30 XP

0.5%

How to unlock the Gotham's Greatest Depths achievement in Gotham Knights - Definitive Guide

This is a horde mode-like feature introduced in this Title Update. Each Floor contains 3 or 4 levels of various challenge modes: defeat 4 waves of enemies; kill 4 faction leaders then the rest of the enemies; repair 3 or 4 generators where enemies will be constantly spawning; activate and protect a console from being damaged by constantly spawning enemies. Between levels in a Floor will be crates (usually 8-10 in total) of increasingly valuable materials needed to create higher level Suit / Melee / Ranged gear. It is recommended that you grab each crate on your first run through, as you will need a lot of materials to create your higher level gear.

Even on Very Easy, this will be a challenge. In particular, Floors 10, 20 and 30, which are escort missions with infinitely spawning enemies, can easily overwhelm you, even in co-op. It is possible to complete this solo, but it's recommended that you play with a friend (or setup a boosting session: https://www.trueachievements.com/creategamingsession.aspx?ga...)

This achievement will take about 5 to 6 hours to complete. Assuming that you run through each Floor relatively efficiently, it will take you anywhere from 7 to 12 minutes per Floor. You then want to be constantly upgrading your equipment, especially in the later Floors. By the time you each the Floor 30 and complete it, you should have at least one of each Suit/Melee/Ranged at Level 60, with a few level 55+ legendary mod chips per category. You will likely have to dismantle your lower level gear to reclaim some materials back in order to make new gear.

You need to complete all 30 Floors to unlock this achievement, however you can play these Floors out of order. My friend started playing with me at Floor 11 and we did Floors 11-28 together. He then went back and did Floors 1-10, before we both played Floors 29 & 30, which at the end we both got the achievement.

Floor access is gated on your story progress in New Game; later floors will be locked out for you if you haven't progressed far enough into the story. You can however join someone else's game who has completed the game and access all the floors with them.

And if you haven't unlocked these already, defeating relevant enemies in this mode will go toward these achievements.

Gotham KnightsBulldozedThe Bulldozed achievement in Gotham Knights worth 32 pointsDefeat 30 Freaks Bulldozers

Gotham KnightsDrone You OutThe Drone You Out achievement in Gotham Knights worth 35 pointsDefeat 30 Regulator Drone Masters

Gotham KnightsFamily MeetingThe Family Meeting achievement in Gotham Knights worth 40 pointsDefeat 30 Mob Godmothers

Gotham KnightsSecret AchievementThe Secret Achievement achievement in Gotham Knights worth 64 pointsContinue playing to unlock this secret achievement
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28 Dec 2022 00:46

20 Comments
Hey I’m looking for Coop partner. I started GN lately since it has been added on gamepass so if anyone is like me just text me: SpaceC9t
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By SpaceC9t on 16 Oct 2023 19:22
Have put a placeholder session up for anyone wanting to fo this and showdown achievements
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By Cuttle89 on 16 Feb 2023 09:04
Playing this in march with coop. We're playing very easy and it looks like we don't need to craft our own stuff. I'm assuming its because of the difficulty but everyone is dying so far in one hit and we have our end game gear. Not in new game+
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By Trixalis on 03 Mar 2023 07:39
Hellooo!! I need help with this achievement
Gt: Agente Znow {I'm mexican}
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By Agente Znow on 04 Mar 2023 15:43
Setup boosting sessions - that’s the best way to get help.
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By sjpsjpsjp on 06 Mar 2023 23:22
I have completed the first 28 levels solo they are pretty easy but I need help with Level 29 and level 30. I am red hood and have about 20k power with Level 54 suit, melee and range.

I have set up a gaming session to complete this and if anyone wants to get this finished message me on XBL my GT is Zavegaming87
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By ZaveGaming87 on 15 Mar 2023 15:26
FYI, the infini spawn on floor 30 includes both league of shadows mobs, so you can farm those out as well. best update the achievement guide.
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By count023 on 22 May 2023 09:56
Really need help with last 2 floor and last 2 showdowns if anyone can help my profile is PLASTICB0Y3648
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By PLASTICB0Y on 06 Oct 2023 15:46
Really need help with last 2 floor and last 2 showdowns if anyone can help
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By PLASTICB0Y on 06 Oct 2023 15:55
@PLASTICB0Y your best bet is to setup a session. Someone will likely join it.

You can do that here: https://www.trueachievements.com/creategamingsession.aspx?ga...
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By sjpsjpsjp on 06 Oct 2023 18:13
Even with equipment at level 80 and the game on very easy, this 30th floor is complete torture, I managed to find a way to do it alone after 4 consecutive attempts.

If anyone needs help with this shit, I'll try keep the game on the console for as long as possible.
Send me a message on xbox
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By Negao Dourado on 04 Nov 2023 12:12
@Purified666 you should setup a session - that is the best way to get people to join you to help. You can do that here: https://www.trueachievements.com/creategamingsession.aspx?ga...
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By sjpsjpsjp on 27 Nov 2023 02:11
Did this with Batgirl, her special with bats will give you immunity over almost any attack, helping on those fricking "hold to repair" missions.
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By SherlocklHolmes on 24 Dec 2023 04:31
I don't like this floor. 4 generators at the end (presumably??), protecting this idiot starfish, while dealing with stupid talons...yuck. Rotten egg fart yuck.
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By I Like Drinkin on 25 Feb 2024 06:14
Confirming that doing Kelvin first makes this a piece of cake.
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By EI Bikerboy on 02 Mar 2024 08:40
Looking to do this and the kelvin incident. Pretty much all I have left to do. So shoot me a msg on Xbox and let’s run it
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By Tabor49 on 02 Mar 2024 16:58
@Tabor49 just setup a boosting session. It takes all of 2 minutes and you'll get someone signed up in no time.
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By sjpsjpsjp on 02 Mar 2024 19:04
who wants to receive the achievement, write. I only have the 30th floor left
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By CrazyBacker on 21 Apr 2024 15:28
@SpaceC9t you should setup a session - that is the best way to get people to join you to help. You can do that here: https://www.trueachievements.com/creategamingsession.aspx?ga...
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By sjpsjpsjp on 16 Oct 2023 23:48
The Kelvin incident heroics grant much higher level gear, and are easier, than these heroics. There are no escort tasks in Kelvin. So if you're able to get up to the mid/high 20s here on your own, switch to Kelvin. Once you finish those, you'll have much higher level gear and the rest of these levels will be easy.
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By StevesTurn on 30 Oct 2023 00:12
View all 20 comments Show less comments
There is an elevator in the back of the Heroic Assault lobby that will take you to a floor chosen by the player(s) on the computer to its right.

Once you enter a floor you must clear multiple areas of enemies and perform tasks like restarting generators. Each fighting area is separated by a mostly empty area that might have loot boxes, land mines, both, or neither.
As usual with these gauntlets, the difficulty will increase as you go and once a floor is completed you will return to the lobby.
Also you must finish a previous floor before moving to the next however in co-op you can jump around as much as you are able; all 30 floors need to be done in some capacity and not necessarily in order. You can also replay floors to grind challenges, gear, or materials you may want or need.

In most cases if you fail a fight you will restart back at the immediate area outside that fight so you don't need to do all the fights in one attempt HOWEVER you do need to finish an entire floor in one go (in other words you can't quit halfway and come back to the 3rd room of the 8th floor later)
The exception to this rule is every 5th floor which labelled as RECKONING and floors 25 to 30, which aren't labelled as Reckoning but will say it is when you start those floors.
These floors have NO checkpoints and actually DO need to be finished in one try.

Floors 10 and 20 have an additional challenge at the end where you need to escort a laser tank across enemy terrain while keeping within a certain proximity. (and if you've ever played Overwatch you know how fun that is🙄)
Sometimes the tank will stop and you need to restart it while you're being attacked amd on floor 20 there's a spot where you need to activate 2 generators, again, whilst being attacked (this is the only mission i've failed as of this writing but I finished it next try).

As for strategy, you can go in solo or co-op. Most people swear by co-op because having someone taking out goons while you start generators is ideal however solo is just as possible albeit a little more frustrating.
I personally recommend you don't even bother with this mode either way until you beat Talia's showdown, which will net you a snazzy level 60 set of legendary gear and trivializes damn near everything but it's player's preference.
Floor 30:


I've found Nightwing to be VERY helpful since he has the Nest ability and at level 40 using level 60 gear I'm one-shotting almost everything so I can't speak much on the others but I did do the first 12 or so floors with a level 40 Red Hood (before I beat Talia's showdown) with relative success as well.
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02 Mar 2023 21:05

The game is glitchy, may freeze, and you have to complete the floor from scratch.
The last thing I had was that the joystick’s pause button just became active and the map was right at the very end of the test.
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24 Dec 2022 12:36