Now it is still too early to say anything about any team because in the Champions League there is always a difference between last season and the coming season. And for the Napoli, Inter Milan and PSG teams they will also try to make themselves superior in the Champions League even though the other opponents will do the same. Because this is a League with real tension so that the mentality and quality of the players are really tested here and any team must have the best players for each line in order to become stronger.
All teams have changes in a summer transfer season so it makes a next season has many unknown factors that can contribute to their clubs and make surprises in Champions League. Champions League has very high competitiveness and at this level, many things can be changed considerably with one or two changes in a club's main squad.
PSG are strong as they shown in the past season and how they destroyed Inter Milan in the final match, but it won't be easy for PSG to defend their crown. It is not coincidence that many clubs failed to defend their titles in Champions League, and it was not because they were not strong enough, but as said at world class level, things can change very considerably with moments of mistakes or super star players's fanstastic goals.
The next coming season is going to be different from the past season because the way I see other clubs are preparing for the coming season makes me think that the coming season is going to be a tough one. The changes will make it difficult for some clubs again, especially the clubs that are making so many changes to strengthen their squad; they will definitely need to be ready for everything next season; it won’t be easy.
As for PSG, we will see what they will look like next season. They really surprised me last season because of how they turned out to be aggressive till the ending of the season. What they did to Inter Milan in the final match makes me believe that PSG is not a team to play with; that team destroys even the top clubs to some extent.