Originally Posted by
Icenine
Holding lust until later in the first stacking phase isn't for the benefit of the DPS. Holding lust until the 4th or 5th slash is a benefit to the healers. DPS is gonna keep on DPSing no matter what during that first scorpion phase -- the haste benefit of lust is going to help out with healing rain, holy radiance, rejuv, renew and lifebloom ticks as well as giving a faster cast time to bigger, slower spells to allow for topping people off faster.
If anyone is going for stacks > 9 at the start of the fight, you hold the lust until 4th or 5th slash to benefit heals.