In RPG Maker 3, monsters created with the Monster Editor must be placed into a monster party in order to fight the players, even if only one monster is fighting. There are three sizes of monsters: Small monsters take up only one space. Medium monsters take 5 spaces in a cross-shaped pattern, but can have the non-center squares placed off the grid. Large monsters can only fight alone. Users can define the level of each monster, and what items the monster party drops (and how often)