With the recent stability changes (only 1 stack can be removed every 0.75s, I believe), the Dismantle Fortifications trait in the Devastation line has become functionally useless. If it actually did remove 2 stacks of stability in this meta, it might be good enough to take over Assassin’s Annihilation (the unbugged version). However, upon testing, Dismantle Fortifications is ridiculously buggy- trying to remove one stack of stability from a Retribution revenant resulted in me being taunted and them having the stunned icon while not being stunned.
Please submit a bug report for this skill, as it could be very valuable!