The best missions for the task include: Purple monsters: 8-4 or 7-4 (with 11 or 9 to 15 dark monsters, respectively). Blue monsters: 8-7 (with 9 to 15 water monsters). Red monsters: 20-4 (with up to 12 fire monsters) or 6-8 (for beginners). Yellow monsters: 8-4 or 7-4 (same as purple). More items... Jan 22, 2024