if u bored to lose.BUY F***** DUST

The Dust of Appearance is an item purchasable at the Main Shop, under Consumables.
Reveals and slows invisible heroes by 20% in a 1050 radius around the caster for 12 seconds.
Radius: 1050
Move Speed Slow: 20%
Duration: 12
Only slows units when they actually are invisible. This means during the fade time or fade delay of invisibility, the unit is not slowed.
Dust of Appearance is usually purchased by gankers and heroes who can pick off enemies on their own, being very useful to counter invisibility heroes and Shadow Blade.