Originally Posted by
Zasriel
16-17% should be enough. There are a couple of things you need to do before the FB/DB spec will outperform the standard Demonic spec. First things first, you NEED at a minimum 2 Furious Gaze (and ideally you get 3). Then you NEED the weapon enchant Gale-Force Striking on your OFFHAND. The next thing you need is you want to spec in to Master of the Glaive. You will use Fel Rush and Throw Glaive as fillers when you're low on Fury, this will result in more APM and less downtime.