>>529546802
Stygian Onslaught is tied to patch duration (goes up 1 week into the patch and lasts for the remaining 5 weeks of the patch) instead of being tied to the real life calendar, so you can basically always safely assume the limited characters whose banners will be up in that patch will also be good in SO.
Next patch's new character is Ineffa (electro-charged off-fielder) and 'coincidentally' next patch's SO has a brand new boss weak to electro-charged
Reruns are Citlali, Chasca and Mualani and 'coincidentally' the Papilla boss gets thoroughly dabbed on by Chasca while Mualani and to some extent Citlali are good against the turtle local legend