You will have to go through room by room with your character killing the monsters that are in it to get the experience to level up and get various powers to put an end to this enemy faster and easier. Each level will be more difficult than the previous one.
Fuse the different animal potions to create a monster that can pass all the obstacles as fast as possible to reach the finish line before the opponents.
Finish the monsters you encounter before they do. Attack the monsters with the skills you have and with the upgrades you make in different sections to be able to kill and last longer on the battlefield and advance faster and faster.
Make the monsters reach the end of the road with all the characters to get the 3 stars for the level. Each level will be more difficult than the previous one and with more characters.