Haste and You... A guide to the misinformed.

[Arcon]

no because haste and dual wield are not aditive but multiplicative

This. DW3 is 25% Dual Wield. The Calculations are as follows:

Delay multiplier = (1 - Dual Wield) * (1 - Haste) = (1 - 25%) * (1 - 52.5%) = 0.75*0.475 = 0.35625

This value is capped at 0.2 (which equals 80% Haste). So if you are dual wielding weapons with 400 combined delay (~6.7s between attack rounds, prior to any kind of reduction), you would have 400*0.35625 = 142.5 delay, after reduction has been applied (~2.4s between attack rounds).

Note that only (1 - Dual Wield) * Delay is the value that is used in TP calculation, Haste doesn't matter for that at all.

So... your base delay (weapon delay, or 480 + weapon delay in the case of hand-to-hand) is first reduced by Delay reduction gear or Dual Wield/Martial Arts. This value is used to calculate TP gain and Samba efficiency. Then Haste is applied, and the new value is used as your attack speed (delay/60 = time in seconds between attacks).