Bottle Crowing in Dota 2 is very similar to the one in Dota. However there is a small difference. In Dota Couriers could even bottle Runes. However you cant do so in Dota 2. The only way to Bottle Crow in Dota 2 is to send it back to base and have it return with full bottle to you.
For the guide to Bottle Crowing check out the following link.
Bottle Crowing
For the guide to Bottle Crowing check out the following link.
Bottle Crowing
