 In field maps, enemies roam around and a battle ensues if the player comes in contact with one.In town maps, the player can visit various shops to purchase items, replenish health at an inn and, for the major cities, take on and report quests to the local guild.In addition, the player can interact with numerous non-playable characters (NPCs) in the game; a unique aspect in "Trails in the Sky" is that each NPC's dialogue changes as the game advances, allowing the player to follow along sidestories that accompany the NPCs throughout the game.