Tomorrow Dortmund will face Mainz, this is quite an important match for Dortmund, don't let Dortmund's main players get injured in this match, Terzic will definitely field Dortmund's reserve players in this match.
Yes, now Dortmund must focus on returning to the Bundesliga because after all this is not over yet. Meanwhile they have to continue to struggle in the Bundesliga, because their position is also not good enough here. Dortmund is in 5th position. Yes, even though the club is still qualified for the next UCL, but at last they must maintain their position in the top 5. They still have opponents Mainz and Darmstadt and this shouldn't be a problem, and in fact it seems that the opponents this time for Dortmund are quite easy to defeat actually.
Dortmund progressing to Champions League final is helping themself to make up for their struggle in the league. Bundesliga having three teams in european competitions, two in Champions League and one in Europa League, is resulting their representation in Champions League, which means Bundesliga will have five teams in Champions League next season. This also means Dortmund just need one point to qualify for Champions League spot next season.
However, Dortmund still need to play their last games in serious manner to secure the ticket for the Champions League next season and also to maintain their determination and rhythm of the game. They need to take those games as preparation to play against Real Madrid in Champions League Final. They have chance to make history by being the first team to beat Real Madrid in UEFA Champions League final.