PokÃ mon have six statistics ( HP , Attack , Defense , Special Attack , Special Defense , and Speed ) which all affect how they perform in battles . Statistics can be raised by using items and by training the PokÃ mon. Other factors that affect damage include the attacker 's Attack and the defender 's Defense statistics , the types of both the defending PokÃ mon and the move used , and items held by either PokÃ mon. .