Instructions
Press the "Triangle" button to open the main menu.
Select "Customization" and choose "Weapons."
Scroll down and find the weapon you wish to change through customization.
Choose an ability you wish to apply to the weapon. Note that you must have the required items to apply abilities to a weapon. For example, if you choose to apply "Strength +5%" to the weapon, you will need 2 "Stamina Spring" items in your inventory.
Press the "X" button to confirm the addition of the ability to the weapon. After adding the ability, the weapon will change. For example, if you added "Strength +5%" to the "Variable Steel" weapon, it will be changed into the "Knight Sword."