Quote Originally Posted by ilJumperMT View Post
snip
How many times did you test?
Crit rates are somewhat random - you would need to repeat the test multiple times or manually normalise crit rates to get accurate data.
Twin snakes buff is only 12 seconds - if you alternate Twin Snakes - True Strike - Twin Snakes and put fracture or ToD in the middle, Twin snakes buff will drop. 10% Damage on 1-2 GCDS + auto attacks is a major loss of damage. Do not use True Strike if you are refreshing fracture/tod.

Similarly DK will drop if you use both fracture and tod in between rotating DK/Bootshine. (15 seconds duration - with 2.00GCD it's 16 seconds to do a full alternating rotation + tod/fracture).

Check your parse - did your bootshine ever not crit - check the amount of autoattacks, maybe you are dropping attacks somehow? Did GL ever drop? etc.
FFXIVAPP still isn't perfect for DoTs.