Honestly, Pot and Elixir mastery and, for everything else, Transmute Mastery always gave approx 20% extra results AFAIK. So a 100% chance to get 3 extra volatiles, or 2-4, or 1-5 would be right in line with that.
Get the Desktop App for Battle.net Now
- All your games in 1 place
- Log in once
- Automatic game updates