Blue Sentinel is an anti-cheat tool for Dark Souls III, it will protect you from malicious cheats, flag players who use them, and allow you to kick them from your world.
How do I install it?
Now as for the install, you will firstly need a program to unpack the ZIP file; get either:
Once you’ve got that; go onto Blue Sentinel’s Nexus od page and download it. *(Sign-in required)
The download button can be found at the top right
With the file downloaded, you should find it in your Downloads folder, double click it and move the two files from the downloaded Zip file to your Dark Souls III folder,the latter usually is in:
C:\Program Files (x86)\Steam\steamapps\common\DARK SOULS III\Game
The files being:
BlueSentinelPref.ini – An INI file where you can change some mod settings
xinput1_3.dll – The mod itself
To uninstall the mod, you just have to remove these files, or if you just want a temporary uninstall, rename “xinput1_3.dll” to something like “BlueSentinel.dll”, then change it back when you want to use it again.
When the mod runs for the first time, it will create a directory called “Blue Sentinel” in your Dark Souls III folder where logs will be stored.
What does it do?
- Detecting stat and level abnormalities of people in your session, allowing you to remove the player with cheated stats or disconnect.
- Preventing dangerous effects (such as curse) being applied to you by other players.
- Preventing a wide range of exploits, including multiple crashes.
- Blocking invalid items from being picked up, or being given directly to you. (“Item Inject”)
- Preventing a wide range of bullet-related frame rate drops.
- If enabled, it can auto-kick detected cheaters when hosting.
- If enabled, it can backup saves every time a new session is established and store a set amount of backups before deleting the oldest*.
- It will flag alternate accounts of people you have blocked
*Backups can be found in %appdata%\DarkSoulsIII\(YourSteamID64) and are named (timestamp)_DS30000.sl2.bak
In addition to this, if you use the overlay, it will display the other players in the session, along with their steam profile names.
Why should I use a protection tool in (current year)?
Unfortunately, the item give cheat (aka Item Inject) was just the tip of the iceberg in this sense. Dark Souls III has some serious network vulnerabilities that can get your account banned or even cause lasting damage to your PC. I have reported all of these to the publisher and developers however it doesn’t look like they will ever be addressed, it’s only a matter of time before these security issues become popularised / public, and Blue Sentinel offers a very high level of protection against these exploits.
I would recommend that every player who wants to play online uses a protection tool, and Blue Sentinel offers the greatest coverage against both well-known and obscure exploits.
[Blocked] – The player connecting has been blocked via Steam*
[Blocked Alt] – The player is family sharing the game from an account that you have blocked**
[Malicious] – A check in Blue Sentinel has detected irregular data being sent from the player
[Cheating] – Blue Sentinel has detected that the player has a greatly unfair advantage – Reserved for non-downscaled phantoms
[Borderline] – A check in Blue Sentinel has detected irregular data being sent from the player, but it is indistinguishable from extremely high latency
[Invalid Stats] – The player has modified stats that are inconsistent with their soul level
[Impossible Stats] – The player has modified stats that are impossible to achieve through normal means, but have a normal soul level
[Kicked] – The player has been kicked through Blue Sentinel
[Glitching] – The player is abusing exploits (or using “glitches”) such as infinite stamina with the Ring of Favour glitch, or avoiding the estus recovery animation to gain a frame advantage***
*Dark Souls III will usually kick the player, however it takes 5 minutes between blocking the player and updating in the game.
**Within the ini file, there is an option which allows you to treat blocked alts as normal blocked players, refusing the connection when they join.
***By default the anti-cheat won’t target glitches unless changed in the .ini file
Important note: Flags do not necessarily imply malicious intent from the player. For example there is a bug in a commonly used anti-cheat tool which will flag up in Blue Sentinel because it looks identical to a harmful action, if someone gets flagged and doesn’t otherwise seem to be cheating, it’s worthwhile to reach out to them and ask them about it. Blue Sentinel shouldn’t be used as an all-tell for who is and isn’t cheating, and please do not witch hunt players who are flagged.
Not all glitches are detected, only the ones that seem more damaging to the online play. This is a balance between: How easy are they to perform; How popular are they amongst the community; What are their impacts on normal PvP? So far, Blue Sentinel should be able to accurately detect:
- Estus cancel
- Some variances of the “bow glitch”
- Illegal sacred flame grabs
- Weapon art swap with “Parting Flame”
- Weapon art swap with “Repeat Fire”
- Infinite stamina with ring of favour rapid equipping/unequipping
When a player performs one of these glitches, they will get the [Glitching] flag. To avoid abuse (e.g. someone only kicking for 1 glitch detected a while ago because they are losing) this flag will expire after 10 – 15 seconds, but will be reapplied if the player continues to abuse glitches. If you use certain glitches yourself whilst using Blue Sentinel, it will turn the detection for other players off.
People have expressed concern about the glitch detection, however this is an optional flag and only accounts for <0.5% of Blue Sentinel’s actual function.
Note: If you have glitch detection enabled, and a friendly phantom glitches themselves, glitch detection will be disabled for you for the duration of the session. If you use glitches yourself, the detection will be disabled until restart.
Can this soft-ban me?
- Blue Sentinel does **not** modify Dark Souls III’s code in any way*
- Blue Sentinel does **not** disable Dark Souls III’s anticheat
*The “SkipLogos” setting in the ini file does do this, but it is a safe edit, and will not cause a softban.
A) No, unlike other anti-cheat tools Blue Sentinel does not grab or use your or anyone else’s or IP addresses.
Q) Why are you flagging glitches?
A) This is a pretty divisive topic – In my view glitches such as “estus cancelling”, ring of favour spam, and infinite stun locks have become so widespread and abused that they have become normalised in PvP. Some people argue that they are harmless and part of the game’s normal behaviour so shouldn’t be viewed as cheating, but I think we can all agree that the developers never intended this behaviour, and if they were still maintaining the game then these things would be patched. I could go on for hours about why I chose to flag some glitches over others, but there’s plenty of arguments already out there.
Q) I’ve found a bug with the current release, can I report this?
A) Please do, post a comment about it and Luke’ll try to get round to fixing it as fast as possible.
Q) I know of / have been effected by a cheat that wasn’t detected by this mod, can I report this?
A) Absolutely, please don’t expect any cheats that aren’t sent over the network to begin with to be detected though
Q) Won’t this tool be beneficial for cheaters, or give an advantage in PvP?
A) No. Some people feel like seeing the player list gives an advantage, however there are options to turn it off in the ini file.
Q) Can we see the source code?
A) No, while I understand people can be distrustful of mods like this, I’m unwilling to make the source code public. Past experience has told me that certain groups are more interested in either crashing or exploiting protection tools than contributing to them, so I’d much rather not.
Q) Is this a virus?
A) No, the mod is limited to Dark Souls III (when it is running) and does nothing outside of the process. It’s function is to check incoming data from other players who are connected to you to make sure it’s regular. If you are distrustful of this mod, there is a complete VirusTotal scan report (accessed by clicking the green “tick” next to the file in the ‘Files’ tab of the mod page. There may be a few flags, however rest assured this is just the code protection within the mod causing a false positive.
Q) Can I modify or redistribute this mod?
A) No, sorry. Watchdog allowed this because we hoped the community could add to it in some way, but unfortunately a few just abused it’s kick function to apply for any players, even without flags. Please do not modify, repackage, or redistribute this mod anywhere without my permission.
Q) I have a question not answered here.
A) If you need more information, or wish to report a bug, have a suggestion etc. please make a comment about it, I’ll try to deliver it to Luke.
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