I had just finished the quarter finals and found the monsters there too much for my team, who I had quickly gotten tired of grinding up after spending about a hundred runs in the goblin cave. My highest level at that point was 15, and my stat growths had been so poor, I couldn't get through the semi finals without losing the entire army I had grinded up and spent so much resources on, which made me have to grind more if I wanted to get any further, prompting me to restart and do the whole process all over again. I'm probably just really unlucky, but that's also my life.