The new trap detection for Hextech Sweeper (and presumably Lightbringer) loses vision of Teemo shrooms (and presumably all stealthed traps) within your reduced field of vision when an enemy Nocturne casts his ultimate. This is particularly annoying because the game parses the queued command as a right click and once there is no longer an object you see to keep autoattacking, your champion merrily walks face first into the trap you were trying to remove.

Reproduction:

1. Purchase Hextech Sweeper
2. Have enemy Teemo place a shroom
3. Move close to enemy shroom so that it remains in the reduced field of vision without activating it.
4. Right-click to begin autoattacking
5. Have enemy Nocturne cast ultimate
6. Faceplant into the shroom like an idiot

Good, these items need removed via biased targeting of a single champion.

Plus nocturne's ultimate is suppose to blind you of your surroundings. If the floors fogged up, of course you won't see what your steppin on.

I don't see the bug here? Nocturnes ult gets rid of vision lol.