MHW Builder Patch Notes 1.5.11


  • Pulverizing Feather (bombardier bonus armour) was added to dbs.
  • Partial language support was added to mobile version.
  • Added Zorah Y and Teo Y to PC filter.

Insect Glaive:

  • Strong Jumping Advancing Slash formula correction:
  1. Hits 6 > 5.
  2. Elemental modifier is 50%/50%/50%/50%/50%.



  • Demon ammo.
  • Elemental Songs S and L.
  • Affinity Songs S and L.
  • Hammer Power Charge.
  • Sleep (de)buff.
  • An option to reset all buffs was added.
  • Buffs are now split in categories (which are navigated by clicking corresponding button).
  • Heroics should stack with Agitator in proper way.
  • Agitator is no longer treated as base damage buff.


  • Fixed an issue, when sets, having more than 20 skills, could not load under some circumstances.


MHW Builder:


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    • Coldy
    • rainmaverick on 27th March 2019 at 6:51 pm
    • Reply

    Please check application on iOS for iphone SE size.
    I have problem with set searcher, it’s not working correctly after last update (doesn’t show results, but if i use “Return last search results” button, i can’t equip any set from results) .

    Best regards,

    1. The fix is uploaded already, please wait, while apple is processing update (usually takes about 1-2 days).

        • MrButtums
        • Mr.Buttums on 16th September 2019 at 6:43 pm
        • Reply

        hey when will u be adding the iceborne armor sets

        1. In progress, I can’t guarantee when, I’m sorry

    • Razor on 29th March 2019 at 6:31 pm
    • Reply

    I’d like to suggest the possibility to sort the builds list. Since you can select the weapon and the platform, maybe you could also implement a sorting mechanism.
    I.e. I want to sort by raw damage, or by elemental damage, or by element type, or even by weapon rarity.

    1. Yes, it’s possible, this is ironically what I am working for the next patch on, the set / equip filters.

    • Meiri on 13th April 2019 at 6:15 pm
    • Reply

    I was thinking that maybe you could add in on PC and the mobile app which weapons have high/medium/low elderseal when you’re searching for which weapon to add onto the set you’re creating. Also, maybe allowing to see a description of what each skill does and a description of what you get at each level of that skill on the mobile app.

    1. It’s possible, why not.

    • g on 29th April 2019 at 12:29 pm
    • Reply

    Hunting Horn Elemental Up song currently does not ignore the elemental cap of weapons.

    • Ali on 5th May 2019 at 11:16 pm
    • Reply

    Currently I’m unable to use the builder with adblock disabled. I had to enable adblock and refresh the page before any menus would load when I clicked a button. Tried several times.

    1. That’s very strange issue, let me investigate it.

      1. Hello, I’m having a similar issue on the web version of the set builder. At the end of the load cycle it freezes and says…

        Failed to load Set Searcher script…
        Failed to load DB Init script…
        It seems you’re using AdBlock or similar browser extension. Please whitelist and refresh the page.

        But I do not use adblock. This occurs on every browser that I use, and it only started happening recently. Thanks for all the work that you do. Cheers.

    • Pit
    • Pit on 11th May 2019 at 3:17 pm
    • Reply

    can you add the amount of possible empty deco slots in the ‘You also may add skills’ tab of the set searcher?
    highly appreciate your work

    1. Yes, i’m working on more options for set searcher right now.

  1. hello, i have a question, a few days ago i can access all public profiles, and since yesterday, i can’t see any builds that have kjarr and taroth weapons, it’s just doesnt show up at all. I opened a past build that have kjarr or taroth, it gave a weird error, basically still in the “checking” screen but says 2 no jewels, any ideas?

    1. There were a some bunch of bugs nowadays, since I’ve added a lot of datamined stuff to databases. I’ve just checked public profiles page, it shows all weapons for me. Can you specify the weapon type you’re searching for?

        • kef on 12th May 2019 at 7:45 pm
        • Reply

        I can’t search for any KT weapons in the new search bar, although it is a great improvement from the last search.

        1. Which weapon type?

            • Kræven
            • Kræven on 13th May 2019 at 8:17 am

            Any type. I just tried searching for Kulve and Kjárr weapon of any type for all types and none appear.

          1. Have you tried soft refresh (Shift + F5 / Ctrl + Shift + F5 for different browsers)?

    • Meow on 20th May 2019 at 3:11 pm
    • Reply

    It appears that the skill Luna Razor Sharp doesn’t show up on current equipment skill list on all weapons except LBG

  2. It looks like both Master’s Touch set options just changed into only behemoth. Just being listed as “Master’s Touch” twice.

    1. This is a bug, we used literal search for skills, but with adding multi-language support it bugs hard, I will be fixing this issue today, I hope.

      1. Quickly wanted to ask, if the issue is supposed to be fixed, because it is not for me. It only shows the drachen set and if I ignore 2 of the set items it shows 0 results for masters touch.

        1. Can you make a screenshot or just a list of skills you’re using?

        2. I’ve found that issue, was happening when you have master touch as your _last_ skill in skill filters. Should be working fine from now, enjoy!

    • glass on 25th May 2019 at 4:06 pm
    • Reply

    On hunting horn. The elemental song formula seems wrong.

    I believe the correct formula for the bonus should be:
    Small: (Weapon base elemental value * 0.075).
    Large: (Weapon base elemental value * 0.1).

    200 Elemental base + 30 from 1 deco.
    Small = 230 + 200*0.075 = 245 = 250 after rounding up
    Large = 230 + 200*0.1 = 250

    In addition to that, the song should not allow elemental values above the weapon’s elemental cap. The builder currently busts the cap when adding the songbuff.


    I think there’s some issue with Cat attack buff stacking with hunting horn’s buff. Not very sure what the issue is, but it seems to be off by a small amount. Cat buff alone works fine. Self-improvement + AuXL alone works fine too.

    1. Can you check how it works with % bonus from elemental skills?

        • glass on 27th May 2019 at 7:19 am
        • Reply

        Upon doing more thorough testing, Small elemental up is actually 0.08.

        It stacks multiplicatively. So taroth pipe water with 630 elemental. And 4 stream deco (5% + 100 bonus)
        (630*1.05)*1.08+100 = 814.42 = 810 displayed.

        Also, I can’t figure out how 5 rounds. I’m guessing it is some form of floating point error 😐
        Before song:
        (67500*1.05)*1.00+100 = 70975, Displayed value is 70970, it rounded down..
        After song:
        (67500*1.05)*1.08+100 = 76645, Displayed value is 76650, it rounded up…
        Another example: 4 deco, large song
        (3000*1.05)*1.1+100 = 3565, Displayed value is 3560, it rounded down…

        Some rambling:
        I ended up modding weapons to test this since the highest elemental value I had was Taroth pipe water with 630 elemental (I think it’s the highest in the entire game?), which caps too easily and makes it impossible to do any testing and infer anything accurately.

        For example, if my hypothesis were that it stacks addictively instead of multiplicatively: (630* (1.05 + 0.08))+100 = 811.9.
        It would still show 810, and it cannot prove or disprove the hypothesis that it adds addictively.

        It was for the same reason I thought the small song was 0.075: (630* (1.05 + 0.075))+100 will also show a value of 810.
        The margin of error was just too huge with the low default weapon values.

  3. I ran into a problem with the set searcher again. Teostra armor is working fine now, but I can make a set with some skills and evade Extender 2. But if I search for the exact same skills I have on that build with Evade Extender 2 it shows 0 results. With Evade Extender 1 it shows many results.

    1. Should be fine now.

    • CCXGT on 29th May 2019 at 11:42 am
    • Reply

    The set builder (which is awesome BTW) can’t build sets with both Free Element/Ammo Up and Non-Elemental Boost. They seem to cancel eachother out and only 1 can be searched for.

    Bit of a pain when making Bowgun builds.

    1. Please check, if selected weapon is set to any bowgun.

    • Kronox on 30th May 2019 at 1:20 pm
    • Reply


    For some reason I can’t access the app, it just doesn’t let me open it

    1. IOS or Android?

    • TomTom
    • Jasperino on 31st May 2019 at 12:46 am
    • Reply

    I can’t seem to get the web version of the builder to work after the update. I get the following message at the bottom of the load cycle…

    Failed to load Set Searcher script…
    Failed to load DB Init script…
    It seems you’re using AdBlock or similar browser extension. Please whitelist and refresh the page.

    However, I’m not using adblock, and I’ve tested it on other browsers with similar results.

  4. So the builder tells me to remove adblock when it is not on the browser. I have a fresh edge browser and will not let me use it.


    Weapon data loaded…
    Decorations data loaded…
    Skills data loaded…
    Motion data loaded…
    Monster data loaded…
    Heads data loaded…
    Chests data loaded…
    Hands data loaded…
    Belts data loaded…
    Boots data loaded…
    Charms data loaded…
    Creating builder UI elements… done!
    Loading default loc files… done! (ENG)!
    Hiring Dodogama background workers…
    Failed to load Set Searcher script…
    Failed to load DB Init script…
    It seems you’re using AdBlock or similar browser extension. Please whitelist and refresh the page.

    1. Hmmm, it seems smth wrong with Edge and IE support, let me test it myself.

        • nerevar on 1st July 2019 at 7:04 pm
        • Reply

        i get the same message with firefox. its not browser related. the webbuilder was working fine for me a few weeks ago.
        adblock is fully disabled (even uninstalled it to make sure once XD) and the builder still claims i run it. added an exception aswell. nothing worked.

        something went wrong here i guess :/

    • vorgius
    • Vorgius on 28th June 2019 at 10:02 am
    • Reply

    I think the Kjarr Assault ‘Rage’ HBG has slow reload on normal 3 ammo but on the site it’s listed as normal?

    1. I’m fixing it soon according to client data. Thank you for your report.

    • andrest93
    • Andres on 28th June 2019 at 6:46 pm
    • Reply

    Hello, I’m trying to acces public profiles but the page is not loading anything beyond the basic template, chrome dev tools show this error on the console:

    Uncaught TypeError: document[b(…)] is not a function
    at HTMLDocument. (wpmodule.js?version=1.4.4000062:1)
    at l (jquery.min.js:2)
    at c (jquery.min.js:2)

    1. Fixed it.

    • andrest93
    • Rikka on 28th June 2019 at 7:04 pm
    • Reply

    Hello! I can’t access the public profile searcher, it’s throwing a JS error on chrome dev tools, thanks!

    1. Now it’s fine.

  5. Hey!
    First thanks for the great app, it helps a lot
    Second, right now I can’t use the public profile searcher, chrome dev tools shows a Javascript error and only the website template shows up

    1. Should be fine now. F5.

    • nerevar on 1st July 2019 at 7:01 pm
    • Reply

    the web builder page says i should disable addblock or whitelist to use it.

    i did both. and refreshes and even restarted firefox. it still claims i use adblock even its disabled. the webbuilder was working fine a few weeks ago.

    something went wrong here :/

    1. It should fire an error, can you tap F12 and send it to me?

    • Meow on 23rd July 2019 at 12:52 am
    • Reply

    Hello Honey, I encounter this minor error on the web builder: when I hover cursor on a skill, it sometimes shows nothing or wrong skill description for that particular skill. For example, in this screenshot I hovered evade extender, the fire attack description popup (Refreshing the webpage fixed it). Thanks for your hard work for this tool, it’s helped me a lot <3

    • accumbion
    • Steph on 4th August 2019 at 7:36 am
    • Reply

    I’m using the web version – ‘using’ being the operative word since I can’t actually use it efficiently. Format seems off. When I attempt to Add Skills the menu/tab goes to the far right of the screen and I can’t access it (can’t be dragged etc.) Tried different browsers and cle
    Also when registering for an account, I get an error for my password but I can’t actually see what the error is so I can’t address it.

    1. Try to zoom out (shift / ctrl + scroll depending on browser). The register button should bring you to the in new tab, that’s kinda strange.

  6. Hi, what about on android to load and save set on server?

    1. Damn I’m doing a patch for 2 last months, somehow getting dragged in datamine stuff each time. I’m sorry, soon.

  7. I can’t seem to find the Pearlspring alpha headgear for Master rank in the web version of MHW Builder. Looked through all Rarity 9 headgear’s and used the search bar but no Pearlspring was found.

    1. Can you send me screenshot of those?

    • N.Jolly
    • N. Jolly on 6th October 2019 at 2:57 am
    • Reply

    Hey there, I love your work but I’ve been having issues with the builder. For some reason, when I load it up, the screen while it’s loading (where it mentions all the things it’s loading like weapon, armor, etc) remains while the deco information is overlayed on top of it. I’m not sure why this is, I can provide a screen shot if needed.

    1. mhwb/ or mhwbi/ ? If you are trying to use old one after using beta, just load from any vanilla build URL.

        • N.Jolly
        • N. Jolly on 6th October 2019 at 9:12 pm
        • Reply

        Both, actually. I’ve tried shift + f5, but it’s not helping either. Both MHWB and MHWBI are having this issue on my end.

            • N.Jolly
            • N.Jolly on 8th October 2019 at 1:27 am

            I just did, and it’s still showing the “loading” things in the background without letting me interact with it much. It’s showing the decos and such, but with the “loading” thing in the background.

          1. Hmm, that strange. Can you proceed to the discord (scroll channels right to the bottom (those are my working channels))? Because I don’t check comments on website often.

    • Makona on 19th October 2019 at 12:26 pm
    • Reply

    Just wanted to report that Death Garon Helm B+ Has a LEVEL 4 Gem slot and a LEVEL 2 gem slot. In the builder howerver it is shown with a 3 and a 2.

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