1st : buy Amulet of Bless or any accessories that give's extra stats (STR/DEX/INT)
2nd: check you're weapon Stats requirements
Ex.
your weapon requires 200 STR
your weapon requires 200 INT
your weapon requires 200 DEX
3rd: set your character Stats into
193 STR
200 INT
200 DEX
assuming you have you're Amulet of Bless that give's you +7 STR.
then you're ready to do the stock
1. use the amulet of bless
2. use weapon
3. remove weapon.
4. use amulet amulet of bless.
5. use weapon.
REPEAT, it depends how much damage you want
if you want 1 HIT then Repeat (1000x)
I hope you understand my explanation <3
btw, there are other dmg bug that you can do
no just for the weapon