There is provided a gaming machine which enhances interest in the entire game by diversifying the contents of the game, such as an RPG, and enables players to play a game adjusted to the individual players. When an object for ring customization is determined to be able to change a ring type, the ring type can be changed from a normal ring to another ring in accordance with an operation input. Moreover, when an ally character is in an Anomalous Status upon sustaining attacks or the like from an enemy character, the ranges of timing areas, the preset rotational speed and the preset number of revolutions of the rotary bar, and the size of a judgment ring are corrected in accordance with the type of a cause which has brought the ally character into the Anomalous Status.