I will explain how change Speed Attack.
1-You must be equip the weapon.
2-Open Cheat Engine and open process aion.bin.
3-Search the value of your Speed Attack, Ejm: "1.8"=1800 2.4=2400 And push first search.
4-Remove your weapon of slot and you will see your speed attack is more slow, you should write the new value is 1.4=1400 or 1500 i dont remember exactly, push next search.
5-You will see 2 values, add him and change the valor of value for 500 or 100 or you speed want.
That post is for ppl know how do changes and WORK, No fake thanks.