Fenrir.Nightfyre said:
Adding 10% haste when you're at 70% haste is a ~50% increase in damage.
Not that much actually since it was figured that any Job ability like a WS gives a fixed 120 delay or 2 seconds. The higher the haste, the more frequent WS is, and the 2 sec delay is hurting you a lot especially if you are a WS heavy job. It would be correct if you didn't use a WS.
Exemple :
Take a 5-hit SAM with 480 delay.
hit > hit > hit > hit > ws > 2 second pause > repeat.
Let say it takes you
0.5 seconds to hit ws macro after your last hit (reflex and time for macro to register). The order is :
hit > delay > hit > delay > hit > delay > hit > 0.5 sec > ws > 2 second delay
*with 70% haste it takes therefore 480*(1-0.7)*3+60+120=612 delay or 10.2 second for one WS phase.
*with 80% haste it takes therefore 480*(1-0.8)*3+60+120=468 delay or 7.8 seconds for on WS phase
So the damage boost from 10% haste would be 612/468= +30% only.
Note : even if your reflex are perfect it would be 35%.