Alright, this is something that always bugged me because the books kinda riddle it; but after researching, I've discovered that your touch attacks per round are dependent on your BAB. -- So casting something like Chill Touch, or presumably Frostbite (from Ultimate Magic), means that you get the initial free touch as part of the casting, but then expend the remaining charges in subsequent rounds as your max number of attacks allows. Presumably, any high level caster's max number of touches will vastly surpass his attacks per round, so its safe to assume that the remaining touch charges will persist round after round until he's capable of expending them all...
My first question is just to verify that I'm correct on all that. Am I?
Second question: Is it safe to assume this applies to Ranged Touch spells as well? What about Scorching Ray, which states that each ray needs to be fired at the same time?
Third question: Curious as to how this concept works with Magus Spell Combat. My current assumption, if my previous evaluation was correct, is that his offhand (i.e. the spell hand) is holding all the touch charges when he casts Chill Touch or Frostbite. So, in a nutshell, for X many rounds (X = caster level), he can perform an off-hand touch attack delivering a Chill Touch/Frostbite charge; or Spellstrike the touch instead. I'd assume that his main-hand weapon can't be used to deliver extra Spell-strikes to finish the charges out faster, right?
Leading to question number 4: Suppose he's not actually carrying a weapon, and instead has Improved Unarmed Strike as his "weapon" of choice. Since both hands are essentially empty, my last question is if Spell Combat, as a TWF substitute, would allow him to alternate main-hand and off-hand touches to deliver as many charges per round as possible? Or does the off-hand holding all charges concept hold firm, keeping him at one touch delivery per round?
