It is not a question of it making sense, it is a question of the diablo2 engine. Spell damage has always worked with flat damage sources on melee attacks and not on ranged attacks, even in vanilla diablo2.
ee_wklaa wrote:What is the meaning of "5% innate elemental damage" in Sunstone of the Gods??
There is no change in damage panel when i keep it in Inventory. (i am using bowzon)