Ah my bad I said spheres not spears. Yeah, I did mean to say in that last paragraph that either or both the piercing attack modifier and/or additional spears should be moved to a different weapon probably Death's Web (not to be confused with Death's Fervor which is the same type of weapon but with different stats and is rarer to find) which isn't mentioned in the wiki.
That's my experience too for the most part regarding magic attacks/resistance. Granted I'm sure the new Band of Sin Ring helps tons if you can get your hand on that of course.