I know that the competition of Barcelona in the Europa League is obviously good right now. All the teams that have reached the level of the competition obviously deserve to be here. But the way Barcelona is playing right now seems to be one step ahead of every other team in the Europa League. Barcelona also knows that but still there will have to be careful because they cannot take things easy at this level of the competition.
I think Barcelona know they are favorites in the Europa League at the moment compared to other teams, but of course they can't be too comfortable with that status. The Europa League is a different competition than the league, I can see how they struggled to beat Galatasaray before qualifying for the quarter-finals at the moment.
Barcelona's victory may be expected in the quarter-finals, but must not underestimate the opposing team. I suspect Barcelona can reach the final this season although not really sure who will win the title.
Compared to the other 7 teams in the Europa League, Barcelona is the strongest team and has the greatest chance of winning trophies.
But like you said Barcelona like to struggle when playing in the Europa League, even since facing Napoli, Barcelona was quite difficult in the first leg
to have to play a draw with Napoli, fortunately in the second leg Barcelona can achieve a convincing victory. Likewise when entering the round of 16
in the Europa League, Barcelona failed to win in the first leg against Galatasaray. As was the case when facing Napoli, Barcelona could only ensure
qualifying for the quarter-finals when they beat Galatasaray in the second leg. In which Barcelona only won by one goal difference, even though
I think Galatasaray are weaker than Napoli. Looking at this record, it seems that Barcelona will likely find it difficult to win when they face Frankfurt
in the first leg. And Barcelona can only beat Frankfurt in the second leg, for sure Barcelona will indeed be able to reach the final, but I'm also a little
doubtful they can win in the final if they don't improve their performance in the Europa League. Because Barcelona's appearance in the Europa League is
a little different when compared to when Barcelona played in La Liga.