1. Opening: Choose the demon with "Instant Flash" and wait for the monsters to attack. During this time, assign your strongest character as number one, and assign the warehouse as number two. Then, wait for the arrival of the first wave of monsters!
2. After the first wave of monsters is defeated, the hero's level should be around 26 or 27. Check if there are any items on the ground such as a book-eating contest or level-up area. If you find any, pick them up immediately and head to the book-eating area or level-up zone to kill five monsters. Each monster will grant a 20-level increase...