Each character (heroes and opponents) has Attributes, which determine how strong or weak he/she is in specific actions during the game. The following attributes are used:
AGL - Agility determines how quick and nimble a player is. It factors in the Roll to see if an attack hits or misses (on both sides: the AGL of both the attackers as well as the defender are weighed in).
ATK - Attack sets the striking power of a character. Whenever an attacker make a hit, ATK is used to calculate what damage to apply).
DEF - Defense is the suppressing power of a character. It provides a reduction of the damage applied when a succesfull hit is made on the character.
The higher an attribute, the better. Attributes of heroes are increased whenever he/she level's up; the way the attributes are increased is then determined by the Growth Divvying settings.