Nothing. Theyre a bubble team on paper and overachieved last season.
Hronek is the only real decent defenseman who actually plays defense on that team and he is glued to Hughes who gets sheltered o zone starts. The rest of the D core gets beat up every shift because Hughes/Hronek never play agains the other teams top dogs. So its a game of trying to outscore your problems which Hughes does his best at, but now without Miller, and with EP40/Boeser playing below average they look like the garbage team they were assembled to be.
Boeser is gone and unless they overpay Nelson/Ehlers/Tavares/Bennet/Marchand theyll likely regress even more.