DotA 6.68c Roshan Bug

DotA 6.68c Roshan Bug. There is another bug found in Dota 6.68c after the Batrider Bug. This time it's with Roshan, you can attack Roshan without being attacked by him. You just need to place Visage's Familiars on the hills correctly to abuse this bug. See the video below to see how it works.Steps:1. Pick Visage2. Advance to Level 63. Summon Familiars5. Place the Familiars on the hills above