When trying to use Arc Blade in any content, I have found that ever since The Taken King dropped my combo is inconsistent. By this I mean that when spamming the attack button, many times my hunter now only uses the first attack in the combo over and over, sometimes two attacks before stopping and using the first again. Note that no amount of timing my presses appear to improve the probability that my combo will preform all 3 hits. My highest success rates were gained from pressing the button faster, and I would say it worked less than half the time. Please look into this guys! Because it really takes the dance out of "Blade Dancer" for me and it just feels like a clunky mess :/