No bossk... G12 Boba & dengar, g10 cad & ig, g9 greedo... Boba has cd/cc set, everyone else potency. A couple hundred tries and I still haven't once taken down chewie. Here is my profile.
https://swgoh.gg/p/345227291/characters/?f=Bounty+Hunters

just now took chewie down for the first time... Maybe they read my post and threw me a bone.