Flinthook

You need to complete 1 boss in a limited time. If you learn how to play and level up, you can do it without any problems, the main thing is to follow the path to the boss very quickly and not be distracted by the rest of the rooms. I did all the temporary trophies that are in the game the first time when I set my goal. So there's nothing wrong with them. If it still doesn’t work out, there are boots that speed up running and an item that reduces the maximum HP of enemies. This will greatly speed up the passage, but will complicate it.