Condi renegade devastation which trait for high dmg?

[Crystal Paladin.3871]

when we go the devastation line instead of invocation, snow crows suggest we take "Dance of death" instead of "swift termination" in major grandmaster trait...Is stack of "battle scars " that powerful compared to 20% dmg increase on 50% health threshold? or the meta listing in that site outdated?

also.. battle scars proc only upon inflicting vulnerability... which happens when we invoke "icerazor" or activating mallyx's "embrace darkness" and "olefa soulcleave" could be costly to upkeep or "entering combat" triggered whenever we swap legends? even so.. is "battle scars" that powerful? than the 20% dmg trait?

[Renegade.3071]

Keep in mind that the 20 % increase is only for powerdamage. So its a very bad pick when your main damage comes from conditions. Battle scars is the better choice since its a dps increase for the whole fight and not just for the half fight