Most executes work at max dmg increase of 300%, just saying.
DeanTheCat wrote: »Poison Injection's DoT is tripled when affecting a target under 50% health. It is in fact considered as an execute by the game, as evidenced by Sheer Venom activating when you use PI to hit a target.
Though the DoT's 1st tick takes 2 seconds to kick in. If you reapply a new PI during that time, the DoT timer will be reset and you'll never get a tick.