It seems the massive changes on the Dota 6.83c left at least one bug which quite game breaking. The bug is related with Zet the Arc Warden's ultimate (Tempest Double), which is not the first time happens. This time, the bug will let you have a free Butterfly!



Arc Warden DotA 6.83c Bug
1. Choose Zet
2. Save some money and buy Butterfly
3. Use your Ultimate and select your clone
4. When your clone is about to disappear, click your Butterfly and activate its ability
5. When the clone disappear, you will get a brand new Butterfly
6. Profit!

This bug has appears for couple days and I'm not sure if IceFrog will release DotA 6.83d to fix this. But at any rate, we will let you know if there's a new map to fix this bug!

Update: DotA 6.83d released and fix this bug!