
Gilfalas |

Maybe i just overread it, but i couldn´t find a hint about it so far, only that it seems it can be more than one.
The question is how many exactly?
As many as your referee thinks is reasonable. There is no hard and fast limitation to slotless items other than common sense and reasonable expectation (which of course varies anywhere you go).
Of course while you can wear as many Ioun stones as you want/the gm will let you, their effects are still subject to stacking rules as normal.
It is intersting to note that Ioun himself (the Netherese wizard who invented them) was said to have over 64 stones orbiting his head at any time (that from the Netheril campaign published WAY long ago by TSR) and HIS stones make the ones in the core rules look like garbage.

Sharoth |
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For a long time, my group thought you were limited to three stones, based on the orbit distance. Then we realized that there wasn't a rule against two stones sharing an orbit.
So we are now dealing with Ioun shells? 2 orbit close, then 8, then... Hold on a minute. ~pulls out the Ioun Stone Physics book~ What page did I see that on?
~grins~

Kolokotroni |

Rules wise there is no limit, and if you look at the source, in the dying earth series there was at least one character who literally had clouds of the things floating around him. Enough so when he was 'defeated' his opponents basically caught netfulls of the things pulling them out of the air around him.

Tiny Coffee Golem |

A dull grey ioun stone costs 25gp... so at level 20, using standard WBL, you could have... 35,200 of the things... 70,400 if you made 'em yourself... :)
If you colored them like easter eggs and maybe had some sort of minor magical effect on some of them (such as various colored lights) that could look really intimidating.

Firest |

Interesting. So how about a Wizard or Heavens Oracle who is trying to collect a set of Ioun stones to represent the celestial bodies, a stone of the appropriate color for each of the planets.
When he's got them orbiting properly he gains some bonus to casting, and additional bonuses at certain times of the day, week, or month when his "planets" are in a specific alignment.

The Grandfather |

70,400 iounstones....would that grant total concealment?^^
or maybe AC bonus in some way hehe.
But how do you get through a door?
I think interaction with others would be restrained then too, some mysterious voice talking to you out of a cloud of floating dull grey stones....
Ioun stones are mostly transparent and actively try to avoid being damaged, thus even 70,400 do not grant either cover or concealment :P

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Rules wise there is no limit, and if you look at the source, in the dying earth series there was at least one character who literally had clouds of the things floating around him. Enough so when he was 'defeated' his opponents basically caught netfulls of the things pulling them out of the air around him.
In that book the stones were orbiting behind him and they had some "slight" drawback.
The stone were absorbing his memory.
Tiny Coffee Golem |

Kolokotroni wrote:Rules wise there is no limit, and if you look at the source, in the dying earth series there was at least one character who literally had clouds of the things floating around him. Enough so when he was 'defeated' his opponents basically caught netfulls of the things pulling them out of the air around him.In that book the stones were orbiting behind him and they had some "slight" drawback.
The stone were absorbing his memory.
*Pssshhhhtt* Details.