 Link also enters this mode when attacked by wandering monsters . Whenever the player traverses the various environments of Hyrule , enemy silhouettes appear and pursue him . Of the three random creatures that appear , there are three types which correspond to the relative difficulty of the monsters in battle mode : a small , weak blob denoting easy enemies , a large , strong biped denoting harder enemies , and a Fairy , which will put Link on a single screen with a free Fairy to refill his health . This separate method of traveling and entering combat is one of many aspects adapted from the role @-@ playing video game genre . Stepping onto particular spots in the overworld map will automatically switch the game to side @-@ scrolling mode for an enemy encounter or item pickup . 
