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Who you knocked out in the Semifinal does not matter when you get on the pitch for the final, all of that is gone, mind you that there are no easy teams in the knockout stage of the CL, so any team that gets to the final deserves it. That said, i think Inter have the slight edge, they are a very solid team, same as PSG, but i think right now Inter are slightly the stronger of the two teams, it would still be decided by fine details though, so we'll see how it pans out.
I agree, all the matches in the past were very difficult. Every team in the Champions League has a lot of quality, every team has the potential to be champion and there are things that are more important than the team's squad.
The right strategy, motivation, players' fitness and many other things are very effective in the championship. Yes, the best squads in the world compete against each other, but we also see that in the quarterfinal and semifinal stages the stronger teams lose matches. The best team doesn't always win

It is true, the Champions League final this season will bring together two teams with balanced strengths, and both have quite good squad depth. Luis Enrique and Simone Inzaghi also have a wealth of experience as managers, and it is difficult to find weaknesses in both teams. The only striking difference may be in terms of team mentality, where Inter Milan is slightly better because they have won it before.
Just like Barcelona, PSG also managed to overcome tough challenges from the League Phase, the playoffs, and so on to reach the final. In my opinion, PSG have also done a great job by successfully eliminating Liverpool and Arsenal. This will be a very ideal final, Inter Milan even have to risk the Scudetto to be able to focus more on the Champions League.