The Combat System in Onyxia

[NikiiBG555]

I am confused as to whether I should refer to the combat system used in 3.3.5a or to the TBC patches up to 2.4.3 in order to inform myself about certain mechanics. For instance, I wonder whether critical chance applies to DoT abilities' ticks or not.

[MasseyFerguson]

there is no crits on periodic damage yet. Its wotlk