Attack skill

It increases the Hunter's attack power.

The Attack Power added is either 3,5 or 10 of pure Attack Power, which is multiplied by the Weapon Class Mutliplier and added to the total Attack Power.

The follow are the Weapon Class Multipler:

Great Sword/Long Sword 		- 4.8 Sword&Shield/Dual Swords	- 1.4 Hammer/Hunting Horn		- 5.2 Lance/Gunlance			- 2.3 Light Bowgun& Heavy Bowgun		- 1.2 Bow				- 1.2 Example: The Hunter is using a GS with Attack Up [lg], so 4.8*10 = 48.0 ATP added, all decimals are dropped. The end result is that the total Attack Power will increase by 48.