I would go SW, because, you won't get her as a 5*. You can pull a 5* CV and be pissed to have wasted resources on ur 4*. And, SW is a beast, at max sig.
personally i prefer bwcv, you have better control over what you need to do based on nodes + matchups. theres a reason why SWs abilities are considered "chaos magic"... its random buffs and debuffs flying everywhere. but ultimately, i vote both go to r5.
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You can pull a 5* CV and be pissed to have wasted resources on ur 4*.
And, SW is a beast, at max sig.
but ultimately, i vote both go to r5.