[varies] magical
- Price: dependent
- Bulk: –
- Hands: –
- Slot: –
These crystalline stones always float in the air within three feet of their owner while active. When a person first acquires a stone, they must hold it and then release it with a single action command, whereupon it takes up a circling orbit 1d3 feet from their head. Thereafter, a stone must be grasped or netted to separate it from its owner with a DC 40 check. The owner may voluntarily seize and stow a stone without a check, but they lose the benefits of the stone during that time.
Ioun stones have AC 30, Hardness 10, and Toughness 6. The powers of each stone vary depending on its color and shape. You can have up to three stones active at a time. Each floats a different distance from the user’s head. The tag for an ioun stone depends on its effect or spell at the GM’s discretion.
If an intact ioun stone ever gains the Broken condition, it is treated as cracked. If a cracked or flawed ioun stone gains the Broken condition it becomes a Dull Grey stone. A cracked or flawed ioun stone cannot be repaired. Unless otherwise listed, an ioun stone is a common item.
| Color | Effect | Cracked | Flawed | Price | Rarity |
| Agate | One time use of the Augury spell treated as an automatic success on the Flat DC check | One time use of the Augury spell taking advantage on the Flat check | One time use of a normal Augury spell | 800 silvers | Uncommon |
| Amber | Grants a 1d6 Item bonus to saves | Reduced to a 1d4 Item bonus | – | 500 silvers | Uncommon |
| Clear | You can go without food or water | You can go without half the food or water you normally need | – | 300 silvers | Uncommon |
| Crimson | Grants a +2 Item bonus to Intelligence Score | Reduced to a +1 Item bonus | – | 1,000 silvers | Uncommon |
| Dark Blue | Grants a 1d8 Item bonus to Insight and Perception checks | Reduced to a 1d4 Item bonus | – | 1,200 silvers | Uncommon |
| Dark Brown | Constant awareness of how many feet you are above or below sea level | – | – | 60 silvers | Uncommon |
| Dark Green | Constant use of Detect Poison with a Level 3 Spell Slot | Constant use of Detect Poison | Use of Detect Poison three times per 24 hours | 1,200 silvers | Uncommon |
| Dark Red | Grants a +2 Item bonus to Dexterity Score | Reduced to a +1 Item bonus | – | 1,000 silvers | Uncommon |
| Dull Gray | No abilities but is an attended object while active | No abilities but is an attended object while active | – | 2 coppers | Common |
| Dusty Rose | Grants a +1 Item bonus to AC | Grants a +1 Item bonus to Initiative checks | 800 silvers | Uncommon | |
| Eastern Star | Constant use of Comprehend Languages with a Level 4 Spell Slot | Constant use of Comprehend Languages | Use of Comprehend Languages three times per 24 hours | 1,100 silvers | Uncommon |
| Emerald | Grants 24 temporary hit points once per 24 hours at a predesignated time | Reduced to 12 temporary hit points | Reduced to 6 temporary hit point | 120 silvers | Uncommon |
| Gamboge | Grants Immunity against poisons | Grants advantage against poisons | Grants a 1d4 Item bonus against poisons | 600 silvers | Uncommon |
| Gold | Constant use of Tongues | Use of Tongues three times per 24 hours | – | 4,000 silvers | Rare |
| Incandescent Blue | Grants a +2 Item bonus to Wisdom Score | Reduced to a +1 Item bonus | – | 1,000 silvers | Uncommon |
| Iridescent | You can go without air | You can go twice as long without air as you normally could | 1,800 silvers | Uncommon | |
| Lavender | As a reaction, this absorbs a spell cast with a Level 8 Spell Slot or lower up to a total of 50 spell levels | Reduced to Level 4 Spell Slots or lower up to a total of 30 spell levels | Reduced to Level 1 Spell Slots up to a total of 10 spell levels | 9,000 silvers | Very Rare |
| Magenta | Grants a +2 Item bonus to an Ability Score and can reassign the Ability Score once per 24 hours at a predesignated time | – | – | 5,500 silvers | Very Rare |
| Mossy | Grants a 1d8 Item bonus to one of the following: Arcana, Dungeoneering, History, Lore, Medicine, Nature, Religion, or Society | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Acrobatics | 1,400 silvers | Uncommon |
| Mulberry | Grants a 1d8 Item bonus to Deception and Diplomacy | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Insight | 1,500 silvers | Uncommon |
| Nacreous Gray | Grants the benefits of Timeless Body | Protects against some aging effects, determined randomly | Prevents the user from looking older | 2,300 silvers | Rare |
| Onyx | Grants a +2 Item bonus to Constitution Score | Reduced to a +1 Item bonus | – | 1,000 silvers | Uncommon |
| Opalescent White | Grants Proficiency with one Weapon Group | Grants a 1d4 Item bonus to attacks with a Weapon Group | Grants a +1 Item bonus to attacks with a Weapon Group | 300 silvers | Uncommon |
| Orange | Gain one Spell Slot and one Known Spell one level higher than the user currently has access to (capped at Level 5), this is a Level 1 Spell if the user does not have the Spellcasting trait | Gain an extra Spell Slot of a known Spell Level (capped at Level 5) | – | 700 silvers | Uncommon |
| Pale Blue | Grants a +2 Item bonus to Strength Score | Reduced to a +1 Item bonus | 1,000 silvers | Uncommon | |
| Pale Green | Grants a 1d4 Item bonus to saves and skills | Applies only to saves | Applies only to one skill | 3,800 silvers | Rare |
| Pale Lavender | As a reaction, this absorbs a spell cast with a Level 4 Spell Slot or lower up to a total of 20 spell levels | Reduced to Level 1 Spell Slots or lower up to a total of 10 spell levels | Reduced to Level 1 Spell Slots up to a total of 3 spell levels | 3,000 silvers | Rare |
| Pale Orange | Once per 24 hours, can catch the user’s soul if they gain the Dead condition and allows user to return to their body within 4 hours, determined randomly, with the Dying 1 and Unconscious conditions | Reduced to one time use | Can be used as the material requirements for spells to return the user to life | 2,500 silvers | Rare |
| Pale Ruby | Grants a 1d8 Item bonus to Stealth | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Thievery | 1,100 silvers | Uncommon |
| Pearly White | Use of Regenerate three times per 24 hours for a minute duration | Use of Regenerate once per 24 hours for a minute duration | Use of Regenerate once per 24 hours for a round | 4,900 silvers | Rare |
| Pink | Grants a +2 Item bonus to Charisma Score | Reduced to a +1 Item bonus | – | 1,000 silvers | Uncommon |
| Scarlet | Grants a 1d6 Item bonus to all d20 rolls when the user has the Fatigued condition | Reduced to a 1d4 Item bonus | Reduced to a +1 Item bonus | 5,500 silvers | Very Rare |
| Silver | Use of a Level 1 Spell three times per 24 hours as a supernatural ability (replace the magical tag with the supernatural tag) | Use of a Level 1 Spell once per 24 hours as a supernatural ability (replace the magical tag with the supernatural tag) | Use of a Level 1 Spell once per 24 hours | 150 silvers | Uncommon |
| Thorny | Grants a 1d8 Item bonus to Combat Maneuvers | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Acrobatics | 1,000 silvers | Uncommon |
| Tourmaline | User gains the Dead condition only at Dying 5 | – | – | 4,000 silvers | Rare |
| Turquoise | Grants a 1d8 Item bonus to Nature | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Survival | 900 silvers | Uncommon |
| Vermilion | Grants a 1d8 Item bonus to Acrobatics | Reduced to a 1d4 Item bonus | Reduced to a 1d4 Item bonus and inflicts disadvantage to Stealth | 1,200 silvers | Uncommon |
| Vibrant Purple | User can store up to five spells to cast in the future (this can be recharged) | User can store up to two spells to cast in the future (this can be recharged) | – | 2,300 silvers | Rare |
| Western Star | Constant use of Illusory Disguise at a Level 4 Spell Slot | Constant use of Illusory Disguise | Use of Illusory Disguise three times per 24 hours | 800 silvers | Uncommon |
Some ioun stones have extra rules:
- Agate, Cracked Pale Orange, and other ioun stones with a one-time use become a Dull Grey ioun stone after being used.
- Lavender, Pale Lavender, and those stones that absorb spells require their users to expend a reaction to absorb a spell. Absorbed spells can then be used to power the user’s own spells. The user can expend a number of absorbed spell levels equal to or greater than the level of their spell being cast. This reduces the number of usable spell levels that were absorbed. However, it does not reduce the number of levels the stone absorbed for the purpose of reaching it maximum number of spell levels it can absorb. Once the maximum number of spell levels a stone can absorb is reached, that stone becomes Dull Gray ioun stone.
- Orange stones users can change the Spell Slot and Spell Known each time they gain access to a new Spell Level.
- Pearly White stones only cure damage with Regeneration that the user took while the stone was active, not prior to its activation.
- Vibrant Purple stones store spells cast only by a creature with the Spellcasting trait, but the stored spells can then be used by anyone at any time in the future. Those who cast the stored spell, can regain their expended Spell Slots after resting without the ioun stone losing the stored spell.
- Those with Item bonuses stack with each other, unless otherwise stated. All active ioun stones count as a single Item bonus for the purpose of determining the limit of Item bonuses.
Crafting Requirements: You must be able to craft runes. When crafting an ioun stone, if you fail the check, rather than failing completely to make it, it is cracked or flawed. Roll 1d100. On a 01-60, the stone is flawed and on a 61-100 the stone is cracked. A cracked stone is worth half as much as an intact stone and a flawed stone is worth a quarter as much. This sometimes drops the rarity of the stone too.