But first round Barcelona will play on Champion League and depending with what position standing finish later on group stage will give chance for Barcelona back to Europe League or Barcelona success lead first standing position group and never play on Europe League for next season.
Xavi is taking appropriate steps to make his team stronger. He is bringing new midfielders and defenders to the team. At the same time, efforts are being made to bring Lewandowski into the team. If Xavi can sign Levandowski next season, Barcelona will undoubtedly be fighting for La Liga and Champions League titles. Moreover, Barcelona is now stable and strong enough. It doesn't look like we will see Barcelona in the Europa League next season.
I agree that they’re going to start in the champions league next season, but if they don’t recruit quality player’s then they could be eliminated to Europa League as it won’t be easy to perform in champions league with the current squad. Furthermore the chances of them dropping to Europa league again is almost nil, but in the end it’ll all depend on what kind of player’s they recruit in the current transfer window.