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  • World of Warcraft
  • 197,777 Monthly Downloads
  • Supports: 6.2.3
  • 33,646,829 Total Downloads
  • Updated 02/08/2016
  • Created 06/06/2009
  • 11,470 Favorites
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  • Release Type: Release
  • License: GNU General Public License version 3 (GPLv3)
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About _NPCScan

_NPCScan helps you find rare mobs through the use of dynamic target macros, mouse over alerts and for Vignette mobs proximity. Once a mob is found by one of these methods an on screen alert is displayed, in addition to an audio alert.

_NPCScan & Warlords

Due to changes in how the game caches mobs in WoD, it is looking like _NPCScan will no longer be able to auto detect non-Vignette mobs. Due to this the only way to find pre-MoP rares via _NPCScan will be via mouse over, nameplate, or the new dynamic target macro keybind being added. The new keybind will trigger a /targetexact …” macro that updates with tracked mobs based on the zone you are currently in. Vignette mobs will still automatically trigger an alert when the mob gets in range, and should work more reliably due to updates to the Vignette API.

V6.x Changes
  • Cache Scanning Removed - Due to changes in the way WoW cache mobs, NPCScan can no longer auto alert when mobs are nearby like it use to.
  • Dynamic TargetExact Macro Keybind - NPCScan now has a keybind you can set that will try to /exacttarget tracked mobs. This macro will dynamically update based on the zone you are in and which mobs are being tracked.
  • Updated Vignette Alerts - Vignette Alerts are now more reliable and show the actual mob when detected the majority of time.

If you have a question check the FAQ, or a problem create a ticket

If you have a question/comment about _NPCScan.Overlay please post it in it's comment section.


Dynamic Target Keybind

NPCScan now includes a keybinding that will trigger a stored dynamic target macro. Each time it is pressed, the keybind will trigger a /targetexact <mob name> for every tracked mobs in the current zone you are in, in addition to any custom added mobs. This macro will be auto updated based on the zone you are currently in. To access this feature, just set a keybind under the Key Bindings->Addons->_NPCScan->Dynamic Target Macro section. Note: To search via the keybind, you will need to continuously push the bind. Pushing it once will only trigger it once, it does not auto scan like it did Pre WoD.


NPCScan now tracks "vignettes". These are the little skulls appear on the minimap, that denote rare mobs. This is a beta feature and is disabled by default. Enabling this feature will alert you to a rare that's within minimap range, without any worries about having to clear your cache. When you get an alert you will be shown a target button similar to the standard mob alert, letting you know that a vignette mob was detected. Clicking on the target button will try and target the mob.


If you have nameplates turned on, NPCScan now has the ability to trigger alerts off them. This method is not completely reliable as it has to rely on name comparison, so if mob name that NPCScan has does not match it will not trigger an alert. Also the range is limited as you need to get close enough to a mob to have the game display its name plate.

Addons that modify nameplates may interfere with this.

“Found” Alert

When a rare mob is found, _NPCScan alerts you by playing a loud and distinctive sound, making your screen pulse red, and displaying an animated Targeting Button. To get a feel for what this alert looks and sounds like, try the “Test Found Alert” button in the addon's main Interface Options panel. (See the Options section below.)

Targeting Button

When clicked, the targeting button tries to target the most-recently-found mob.&nbsp; You can also bind a key to hit this button. If the default button position isn't to your liking, you can move it while holding your CTRL key.

Note: The button cannot be shown during combat. In the unlikely case that you do find a rare while fighting, the button will appear after you leave combat. You will still hear the alert however, and the name of the mob will appear in your chat log.


_NPCScan's main options window can be accessed from the Interface Options menu. This panel includes a “Test Found Alert” button, various ways to customize the alert sound, and an option to suppress cache warning messages on log-in. New sounds can be added to the alert sound dropdown menu by installing SharedMedia-type addons.

Search List

The list of mobs that _NPCScan searches for can be modified easily through the Interface Options panel, however it comes pre-configured with most rare mobs.; To access the mob list, type “/npcscan”. Grayed out NPCs in a list aren't being searched for, either because they're cached or not needed for their achievement.

The first tab available lists Custom NPCs that you can enter or remove manually. NPCs that are already cached show a red “X” in the first column. You can add or remove Custom NPCs with the [+] and [-] buttons at the bottom right.

All other tabs control achievements like Bloody Rareand Frostbitten. These tabs show an additional column on the right with green check marks for completed achievement mobs. You may enable or disable tracking each achievement with its tab's checkbox.

To remove non custom mobs from a tab, click on the mob that you want to remove and then click on the "Remove" button. This will remove the selected mob from the current tab and add it to the Ignore List Tab. If you ever want to restore a Ignored Mob, select it from the "Ignore List" tab, click the "Remove" button and it should be added back to its original tab.

The “Search for completed Achievement NPCs” checkbox at the top left of the pane allows you to keep looking for mobs you no longer need for achievements.

Finding NPC IDs

A mob's NPC ID is its unique identification number, and it can be found on sites like WowHead or WowDB For example, search for the mob “Dirkee” on WowHead and go to the mob's page.&nbsp; That page's URL will look like

32500 is Dirkee's NPC ID.

James D. Callahan III <>
2016-02-08 04:43:44 -0600

Localization updates.


No changelog


First Previous Page 2 of 182 Next Last
  • #3409

    "[...] NPCScan can no longer auto alert when mobs are nearby like it use to." its a lair. In older versions (e.g. it still works! I believe you just killed this option... sad~ I deny all updates till this fix. Without this function this addon is in many cases just trash. I agree to noisy_pants @#3408

  • #3417

    Exactly! There's no point to this addon anymore. In WoD when a rare is up, most people announce it on chat, which defeats the purpose of even having npcscan anymore. I used to love this addon, but the lack of updates to make this actually work in older content, (The ONLY content that matters) is off putting.

  • #3421

    Actually quite of bit of work HAS been put into it to try to make it work for old world wares.  When WoD was released I spent quite of bit of time trying to figure out a way to get it working again and still sit down to revist when the game is patched to see if there is some new way that can be leveraged.  Mouse over targeting and nameplate targeting were added to give alternate options, in addition to the macro targeting, for hunting old world rares.

  • #3418

    With the release of Warlords of Draenor, Blizzard actually broke the method NPCScan used to detect the old-style rare NPCs. There is no longer an NPC cache, in the manner it previously existed, so the only way to detect the old-style rares post-WoD is to use a target macro.

  • #3411

    That comment was about how Blizzard changed caching with Warlords of Draenor.  The author didn't kill the option.  It does the best it can with the information it has available to it.


  • #3408

    I hate the box with a rare's name and portrait popping up and staying until you stop what you are doing to dismiss the rare notice. I love the silver arrow and the sound(s); I would love if there was a way to make those nameplates to auto dismiss and/or an option to disable them.

  • #3427
    Quote from noisy_pants »

    I hate the box with a rare's name and portrait popping up and staying until you stop what you are doing to dismiss the rare notice. I love the silver arrow and the sound(s); I would love if there was a way to make those nameplates to auto dismiss and/or an option to disable them.

    This! Everyone I talk to has the same complaint. Please add an option to move or disable this pop-up. 

  • #3430

    The ability to move the alert is currently in the addon and has been for a long time.  The instructions on how to are both on the main page and in the FAQ.  Improvements on the alert to give more options are in the works but there is no ETA on when I'll have a chance to work on them.

  • #3406
    Lua Error

    Recently(like 2-3 weeks) I started to get this error

    It happens when I come close to mobs. Just right when nameplates are shown. I think this issue might be set-up specific. It only happens with tukui(UI addon). If I disable tukui I don't get this error but same happens when I disable npc scan. This error seems to be happening only when tukui and npc scan are both used.

  • #3407

    I'm guessing that because tukui changes so much of the UI, its breaking the nameplate libary in NPCscan uses to scan nearby nameplates.  I'll look into it, and while I'm unsure if I can get the libary to play nice with tukui, I can at least get it so the error woun't appear if you have the nameplate scan option disabled.

  • #3410

    I've been having exactly the same error, also using Tukui.  It only happens once each session, so I've been slow to debug it.   In the meantime, I just commented out the error line to stop the popup box.  Since I still get mouseover and vignette notifications, I'm guessing all that's affected is being able to detected a nearby target without having mouseover?

  • #3400

    Still not seeing Arachnis...

  • #3403

    It triggers for me every time I log into my garrison.  A) What version are you using?  B) What language do you have WoW set to?  C) Do you have the "Rare Mobs" tab checked?

  • #3405

    Thanks for the additioal info, it will help me narrow down variables.   If you get a chance could you take a screenshot of the main NPCScan options window and the NPCScan Search option window with the "rare mobs" tab selected and send them to me in a PM.

  • #3404

    A), B) English (NA), C) All the tabs are checked.

    Doesn't even see Arachnis if I traget and mouse over it. does, though. Even without targetting and/or mouseover.

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