Path of Trials stops?!

Heyy there :) I just realised I'm still really new at this game seeing all the other posts with the insanely high equipment lol. I'm currently on floor 30 in path of trials. Everytime i start fighting, i get about halfway through the bosses HP and then the fight just stops with the "Victory" banner. I can't emerge further, because if i start again i just start at floor 30 again. I also redid the Tryouts, same issue there. Midway through the fight i "win" and get thrown out. Is it because i'm doing not enough damage in the given time?

I hope this makes sense and someone can help me😭