Talk:Weapon Modification/@comment-5156036-20140531022519

I have to questions: Let's say i have a Greatsword +12 wich does 286  physical damage and i want to upgrade it to lightning damage wich does 234 physical damage and 234 lightning damage, does the 286 physical damage goes down to 234? and once it's on lightnin path, how is the damage calculated? 234 from physical + 234 lightnin = 468?