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  • World of Warcraft
  • 197,640 Monthly Downloads
  • Supports: 6.2.3
  • 33,627,510 Total Downloads
  • Updated 12/14/2015
  • Created 06/06/2009
  • 11,469 Favorites
  • Project Site
  • Comments
  • Release Type: Release
  • License: GNU General Public License version 3 (GPLv3)
  • Newest File:
Support development! **

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.

SLOKnightfall <>
2015-12-14 10:17:57 -0800

Tagging fix


    - Fix for error on login when trying to save old setting when new profile table has not been initialized.


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  • #2143

    If the addon is not working for you, i had the same problem. It never went off when I came across a rare. I tried every option in the book, cleared cache and reinstalled the addon multiple times. What I finally did was go to "other downloads" here, and downloaded the npcscan version prior to the latest update. Now the addon is actually working, and haven't seen any problems with it so far :)

  • #2142

    Could you add an option to share all npc's across all character's, so that you don't have to add each npc you add to every alts list.

  • #2147

    Agreed :l I don't understand why any addon defaults to separate settings per character, much less those without even the option to have a global setup. I shouldn't have to copy wow\wtf\account\accountname\servername\charactername\savedvariables\npcscan.lua from character to character outside of wow like I do every time I make changes :P

  • #2141

    This Addon really needs to be updated it causes a lot of lua errors and I really like having it.

  • #2140

    Where is the Creature Cache in MacOSX? There is no base Cache folder in the WoW folder, but there is under WoW/Data. But they're all named patch-base.....

  • #2139

    I'm having a problem with this addon. I installed the client and manually without success, the installation location is correct I have other addons who are working correctly but only Npcscan and Npcscan Overlay not work, they do not appear in the list of addons interface. Can someone help me?

  • #2138
    NPCSCAN Suggestion Feature

    Can you add an option to search for NPC's for the ach

  • #2136

    Can I expect to have this updated for 5.2? (11 Rares on Isle of Thunder, 2 new World Bosses and 5 Zandalari Warbringers)

  • #2145

    Worse comes to worst, you can always manually add the new rares.  Just go to wowhead, look up the names and NPC IDs -- their guide [found here:] is a good place to start -- and add each one.

    No, it's not ideal, but it'll be a huge advantage for any of us who do so prior to the addon's update.

  • #2135

    found a lazy and easy way to remove your cache files. a useful addon guide here.


  • #2137

    Do you mean that you made that video?

  • #2134

    You can update the OOD addon yourself by going into your Interface folder under World of Warcraft.

    Steps:(Windows 7 people)

    1. Right click the launcher and hit "Open File Location"

    2. Open Interface

    3. Open Addons

    4. Find _NPCScan and _NPCScan.Overlay

    5.1. Open _NPCScan and find a file that says _NPCScan(The file type will be TOC File) Open this with note pad.  First thing you'll see when you open this file is ## Interface: XXXXXX(These Xs being numbers)## Title: _|cffCCCC88NPCScan|r## Notes: Scans NPCs... Change the Numbers to read this : 50100 and hit Ctrl S(or file Save). This is a VERY TEMPORARY Fix. This will turn off the Out of Date sign on the addon interface. But this works till they update this for 5.2(If the people still making this addon are still around). This fixes the Scanner.

    5.2. Open _NPCScan.Overlay and find a file that says _NPCScan.Overlay(The file type will be TOC File) Open this with note pad.  First thing you'll see when you open this file is## Interface: XXXXX## Title: _|cffCCCC88NPCScan|r.Overlay## Notes: Adds... Change the Numbers to read this : 50100 and hit Ctrl S(or file Save). This is a VERY TEMPORARY Fix. This will turn off the Out of Date sign on the addon interface. But this works till they update this for 5.2(If the people still making this addon are still around). This fixes the Overlay.

    6. Remember THESE ARE TEMPORARY! Don't count on these fixes to work for 5.2 when it drops! But untill then, Enjoy the now "up to date" addon.

    To clear cache : (MAKE SURE YOU ARE NOT LOGGED INTO GAME AT THE TIME YOU CLEAR THE CACHE!! it will not clear the cache and it'll replace the old cache file)

    1. Right click your launcher and hit open file location

    2. Open Cache

    3. You'll see ADB and WDB

    4. Open WDB

    5. NOTE: You can delete all of these files in this location as the file names are replaced as soon as you log in. It will not harm the game performance. For specific file to delete, delete npccache, and Creaturecache.

    Last edited by Ciecle on 2/22/2013 1:22:11 PM
  • #2131

    In my WoW cache it has an ABD and a WBD. Don't find a KBD. I have Win7 86 bit. Not sure what file to delete or clear. Thanks


  • #2133

    C:\Program Files\World of Warcraft\Cache\WDB\enUS\creaturecache.wdb

  • #2127
    cache clearing

    I really enjoy this addon but to constantly exit + delelting the files is a bit annoying.

    Is it possible to make an ingame cache removal?


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