Re: [PF] Lightning based longsword (fine-tuning)
What you've basically made is an alternate Staff that's in sword form with an alternate recharge method, so I'd use the Staff creation rules for making it. What that comes down to is that you'd go by its pricing and rules, perhaps with some tweaks here and there.
Since staves are minimum 8th level and both of those spells can be cast by then, so I'd cost the spells at those levels, since as a staff it'll use the CL and ability score of the user if they're higher. That means the Lightning Bolt would deal a minimum of 8d6 (up to 10d6 if CL is 10th) with a save of DC 14 or 13+Cha mod, whichever's higher. The Call Lightning doesn't work at all like how it normally does, at it usually takes 1 round (which isn't the same as a full round casting, as full round means it ends by the finish of your turn, not by the beginning of your next turn) and you get 1 bolt/round up to the CL of the wielder or 8 bolts minimum. Your effect is much more powerful than normally, as while the Lightning Bolt does 8d6 all at once, averaging 28 damage, Call Lightning dishes out 24d6 over 8 rounds, averaging 96 damage overall and you're doing it all at once and choosing those targets wherever you feel like. I'd call that a SL boost close, if not on par, with Call Lightning Storm's effect, with a commensurate increase in cost.
For the recharge, since we're calling it a staff, I'd not bother increasing the cost for it, though I'd perhaps let it use either the normal method (i.e. allow recharging at the beginning of the day by a caster with the spell available) or the lightning catching method, as a non-caster having to hang around waiting for a storm may be infrequent if it's winter, the dry season or something similar that makes tumultuous weather unlikely. If you're worried about multiple charges per effect, just say that while you can negate multiple instances of damage from the same effect, you only regain one charge per instance.
With the above in mind, that means I'd cost it at (400*3*8=9,600)+(300*3*8=7,200)+315+8,000= 25,115 gp originally. If you adjust for your Improved Call Lightning, it becomes (400*5*9=18,000)+7,200+315+8,000= 33,515.
Them's my 2 coppers. Take as you will.
Last edited by Cieyrin : 04-17-2012 at 10:12 AM.