This is the original AH filter, Through some recording i found out it actually stops pure Protocal. turn the filter on, and walk around a tad, everything will dissepeart and you are considered Non existant for the duration that the filter is on
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Credits to edestron - Deathsoft
Here are some comments from the original thread:
By phalanx999
*Joins Battleground
*Activates filter
*Becomes 'non-existent'
*Deactivates while on opposite faction's base
*Capture's flag
*Activates filter
*Walks back casually to base
*Deactivate
= holy hacks Batman! flag return!
by edestron
Yeah, i turned it on in naxx, walked up to the chest looking at the minimap, turn it off, your standing in the middle of mobs but they dont aggro onto you unless you move, so just right click chest and tele out