I want to build a ring of false life. I am having trouble pricing it due to the variable nature of the spell. Any suggestions?
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Well, using the Magic Item Creation table in the PRD / CRB, we can come up with a recommended price. This table is intended as a DM guideline, so the price can be altered if you believe the result to be too cheap or not cheap enough and GMs are free to disallow some items if they believe them to be over-powered or unsuitable for their campaigns.
Presumably, a Ring of False Life would be a use-activated item, likely having a limited number of uses per day. This means we'll apply the following entries from the table:
- Use-activated or continuous Spell level x caster level x 2,000 gp
- Charges per day Divide by (5 divided by charges per day)
Now, False Life is a Level 2 spell for Wizards or Sorcerers, giving us a Spell Level of 2 and a minimum Caster Level of 3.
2 x 3 x 2,000 = 12,000gp
Let's assume this ring is usable 1 time per day:
12,000 / (5/1) = 2,400gp
Of course, you can vary the number of uses per day or increase the caster level to improve the effects of the spell. Such changes would affect the formulas provided above.
That was the ballpark I was looking at, but I want to do something a little less than standard and not quite the same as just casting the spell. I want to set the ring with a pre-set number of hitpoints, and basically have them be a 'permanent' addition to the creature's hp as long as it is wearing the ring. (in the same way that adding +2 con gives extra hp)
Something like: +10 hp 2000gp
+20hp 4500gp
+30hp 9000gp
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Hmm, my thoughts would be to use the Average HPs (rounded up) + Caster level, that would make +10 (1d10 = 6, +4 CL) A CL4 false-life item:
2 x 4 x 2,000 = 16,000gp
16,000 / (5/1) = 3,200gp
For +20, I'd probably up the spell to False Life, Greater (2d10 = 11, +9 CL)
4 x 9 x 2,000 = 72,000gp
72,000 / (5/1) = 14,400gp
I like those prices, I think I am going to use those. One of my players will really like this item.
Why don't he get a cheaper ítem of constitution boost?
This would stack, and be available to them sooner than they will have access to stat boosting items.