
Meirril |
So a little background. In D&D 3.5 Invisibility has a duration of "until broken." You could go to sleep and be invisible when you wake up. You could be invisible for an unlimited duration as long as you avoided actions that would break the invisibility. If you made an object invisible it would never break. 3.5's Greater Invisibility has the same duration as the one in Pathfinder.
Pathfinders developers seem to think that even normal breakable invisibility having a long duration is a problem. A ring that lets you cast invisibility at will on yourself is valued higher than the magic item creation rules would normally suggest. Having permanent Greater Invisibility seems to be outside of the scope of what the developers seem to want a player to have.
But everything has a price. Considering that Greater Invisibility is a 4th level spell, and has 1/10 of the duration it seems to say that Greater Invisibility is about 10 times as powerful. So lets make it just an option in Permanency with a minimum level requirement of Caster Level 15 and ten times the price of a ring of invisibility, so 200,000 gp. That seems reasonable.

MrCharisma |

I'd rule that as a Wish.
Greater wish. Yes there are creatures who can see through it or have blindsight or whatever, but against everyone else it's completely game-breaking. Sure you CAN counter it by giving every enemy (or let's say half the enemies) a means to counter it, but by doing that you're nerfing the ability (read: making it more expensive than a 7th level spell).
But everything has a price. Considering that Greater Invisibility is a 4th level spell, and has 1/10 of the duration it seems to say that Greater Invisibility is about 10 times as powerful. So lets make it just an option in Permanency with a minimum level requirement of Caster Level 15 and ten times the price of a ring of invisibility, so 200,000 gp. That seems reasonable.
It's 1/10th the duration AND costs a spell-slot 2 levels higher. If we're working on pure maths I might take that into account.
For the record you CAN get permanent Greater Invisibility without custom items or breaking any rules if you're a 16TH LEVEL ALCHEMIST with a Medium in your party (GREATER INVISIBILITY is a 3rd level spell for Mediums, so can be made into a Potion.)

Anguish |

So a little background. In D&D 3.5 Invisibility has a duration of "until broken." You could go to sleep and be invisible when you wake up. You could be invisible for an unlimited duration as long as you avoided actions that would break the invisibility. If you made an object invisible it would never break. 3.5's Greater Invisibility has the same duration as the one in Pathfinder.
I'm afraid that's incorrect. In 3.5e the duration of invisibility was minute per level, same as Pathfinder. In 3.0e, the duration was 10 minutes per level.

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in 3.0 i believe permanency also allowed invisibility on creatures (unlike in pathfinder where it can only be set on items).
i take that is a little sign that the dev are against such things.
Nope, in D&D3.0 it was definitely 'objects only'.
In D&D1.0 and D&D2.0, Permanency + Invisibility was listed as a 'usable on Creature/Object' spell, but this was back in the day when casting Permanency cost you a point of Constitution...
Sandslice |

Lets say it's still dismissable. I'd say 8 or so. Also, would it be called "Permanent Greater Invisibility" or "Greater Greater Invisibility"?
I'd say "non-researchable."
Searching for invisibility on AoN, the only reference I've found so far to a permanent Greater Invisibility is an effect of a mythic artifact.
The third granted power is this: "At will, the wearer can use greater invisibility as a spell-like ability for as long a duration as desired."