Attack Power (abbreviated as "ATP" or referred to as simply "Attack") is a stat in Phantasy Star Online that measures how much melee and range damage a character can deal in combat. The higher the ATP stat, the higher the damage dealt. Hunters have the highest ATP potential out of characters in the game.

ATP is also the stat that determines which Hunter weapons can be used.


Some varieties of equipment grant a bonus to ATP when equipped. Weapons are the most prominent example of this. Some, such as the normal mechgun or saber, carry only a small bonus; whereas some weapons, such as Orotiagito and God Hand have large ATP bonuses.

Also, ___/Power units add ATP when equipped in the unit slot.

Mags, if raised with a POW stat, will grant 2 points towards ATP per POW level.

Increasing ATP

ATP can be increased through equipping weapons and armor that give ATP bonuses, through levelling up (though the ATP increase depends on the character), or through the use of Power Materials.

Stats in Phantasy Star Online

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