Usage worn; Bulk —
Over millennia, these mysterious, intricately cut gemstones have been hoarded by mystics and fanatics hoping to discover their secrets. Despite their myriad forms and functions, these stones are purportedly all fragments of crystal tools used by otherworldly entities to construct the universe in primeval times.
When you invest one of these precisely shaped crystals, the stone orbits your head instead of being worn on your body. You can stow an aeon stone with an Interact action, and an orbiting stone can be snatched out of the air with a successful Disarm action against you. A stowed or removed stone remains invested, but its effects are suppressed until you return it to orbit your head again.
There are various types of aeon stones, each with a different shape, color, and magical effect. Each aeon stone also gains a resonant power when slotted into a special magical item called a
.Type clear spindle; Level 7; Price 325 gp
You don’t need to eat or drink while this aeon stone is invested by you. This aeon stone doesn’t function until it has been worn continuously for a week and invested each day therein. If it’s invested by someone else, this interval starts over.
The resonant power allows you to cast
as a primal innate spell once per day.Type dull gray; Level 1; Price 9 gp
A dull gray aeon stone has lost its special magical properties, sometimes as a result of overusing a tourmaline sphere or pale lavender ellipsoid aeon stone. It still orbits your head like any other aeon stone and can thus serve as a stylish, hands-free option for various spells that target an object, like
.Dull gray aeon stones have no resonant power.
Type gold nodule; Level 6; Price 230 gp
When a gold nodule aeon stone is created, its creator chooses a language they know to store within the crystal. When you invest the stone, you gain the ability to understand, speak, and write that language.
The resonant power allows you to cast
as an occult innate spell once per day.Type lavender and green ellipsoid; Level 19; Price 30,000 gp
This functions as a pale lavender ellipsoid aeon stone, but it casts an 8th-level
spell with a counteract modifier of +31.The resonant power allows you to cast
and as arcane innate spells at will.Type orange prism; Level 16; Price 9,750 gp
An orange prism aeon stone must be activated to provide a benefit. The resonant power grants you a +2 item bonus to Arcana, Nature, Occultism, or Religion checks—whichever corresponds to the tradition of the last spell you enhanced with this aeon stone.
Activate envision; Effect If your next action is to Cast a Spell, that spell’s level is 1 higher (maximum 10th level) for the purposes of counteracting and being counteracted.
Type pale lavender ellipsoid; Level 13; Price 2,200 gp
This aeon stone must be activated to provide a benefit. The resonant power allows you to cast the
cantrip as an arcane innate spell.Activate envision; Frequency once per day; Trigger A spell targets you; Effect The stone casts a 6th-level
spell in an attempt to counteract the triggering spell, with a counteract modifier of +22. This can be used only on spells that specifically target you—not area spells that don’t have targets. If it succeeds, it counteracts the spell for all targets if other creatures were targeted in addition to you. Each time you activate this aeon stone, attempt a DC 5 flat check. On a failure, the stone permanently turns into a dull gray aeon stone.Type pink rhomboid; Level 12; Price 1,900 gp
When you invest this stone, you gain 15 temporary Hit Points. If the stone’s effects are suppressed, you lose any of the temporary Hit Points remaining until it returns. The temporary Hit Points refresh during your daily preparations; they do not refresh if you re-invest the stone, or invest another pink rhomboid aeon stone, before then.
The resonant power allows you to cast the
cantrip as a divine innate spell.Type tourmaline sphere; Level 7; Price 350 gp
When you would die from the dying condition (typically at dying 4), this aeon stone automatically activates and reduces your dying value to 1 less than would normally kill you (typically to dying 3). The stone then permanently turns into a dull gray aeon stone. You can benefit from this ability only once per day, even if you have multiple such stones.
The resonant power allows you to cast 1st-level
as a divine innate spell once per day.Type amber sphere; Level 16; Price 9,800 gp
If you are undead, your body regains much of the appearance it had in life, and you gain a +2 item bonus to Deception to Impersonate yourself as a living creature. If you’re alive, your appearance is the healthiest version of yourself, and you gain a +2 item bonus to Make an Impression or Request that involves your strength or vigor.
The resonant power of the amber sphere grants you a special activation to improve your salubrious appearance to a lurid extreme.
Activate envision; Frequency once per day; Effect The stone casts a 7th-level
on you (DC 34 Will), causing your appearance to burst with a profusion of shocking vigor: your mouth fills with large and bright teeth, your hair animates in grasping tresses, your face flushes with bright blood that seeps from your skin, or similar. The image is unique to each observer, but you remain recognizably yourself regardless of the illusion’s form.Type black disc; Level 17; Price 15,000 gp
This aeon stone slowly infuses negative energy into your body. The stone deals 1 persistent negative damage to you (10 negative damage per minute) so long as it’s invested, and you can’t recover from persistent negative damage while you have the stone invested.
The resonant power grants you resistance 10 to good damage and to positive damage.
Type mottled ellipsoid; Level 15; Price 6,100 gp
This aeon stone alters your life force. You gain negative healing, which means you are damaged by positive energy and not healed by positive healing effects. You don’t take negative damage, and you are healed by negative effects that heal undead.
The resonant power allows you to cast 7th-level
once per day.Type rainbow prism; Level 13; Price 2,200 gp
While this aeon stone orbits your head, the flat part of its base tumbles to briefly face creatures you can see within 30 feet, as though the stone is watching them. You can activate this stone in two ways.
Activate envision; Effect The aeon stone captures the image of a creature of your size that you can see within 30 feet. It can have up to 3 images captured at a time; if you capture a fourth, you decide which image it replaces.
Activate envision; Frequency three times per day; Requirements The prism is storing at least one image of a creature of your size; Effect The aeon stone casts a 3rd-level
on you, which must be of one of the creatures it has currently captured. While you are under the effects of this spell, the aeon stone is invisible.The resonant power allows the stone to capture up to 5 images. If removed from the
, you must decide which images to lose.Type cymophane cabochon; Level 9; Price 650 gp
Jabalis use the cymophane cabochon aeon stone to keep an eye on their belongings and surroundings. You gain a +2 item bonus to Perception checks and DCs against Hide, Sneak, and Steal actions.
The resonant power allows you to cast see the unseen as an arcane innate spell once per day.
Type olivine pendeloque; Level 14; Price 1,200 gp
An olivine pendeloque aeon stone imparts the calmness of still earth and a solidity of thought, granting you a +3 item bonus to saving throws against effects that cause the confused, frightened, or stupefied conditions.
Activate—Still Earth (concentrate) Frequency once per hour; Trigger You become confused, frightened, or stupefied; Effect The stone suppresses the triggering effect for 1 minute, but the calming urges impose a –1 status penalty to your attack rolls.
Type polished pebble; Level 3; Price 50 gp
A polished pebble aeon stone imbues you with the strength of the earth, granting a +1 item bonus to saves and DCs against attempts to grapple or swallow you.
The stone’s resonant power allows you to cast
as a primal innate spell once per day. You can target only surfaces, not objects, with this spell.Type agate ellipsoid; Level 5; Price 130 gp
This aeon stone allows you to cast 2nd-level
as a divine innate spell once per day.The resonant power causes the
spell from the aeon stone to always succeed at the DC 6 flat check to give an answer other than “nothing.”Type azure briolette; Level 4; Price 85 gp
This aeon stone must be activated to provide a benefit.
Activate envision; Trigger An enemy fails its save against a mental spell you cast using one of your spell slots; Effect You gain temporary Hit Points equal to twice the spell’s level until your next turn.
The resonant power grants a separate activation.
Activate command, Interact; Frequency once per day; Effect You gain the effect of a
arcane cantrip.Type dusty rose prism; Level 3; Price 50 gp
This aeon stone allows you to cast the 1st-level
cantrip as an arcane innate spell, surrounding yourself in pink energy.The resonant power increases the damage prevented by your aeon stone’s
spell from 5 to 10.Type pale orange rhomboid; Level 19; Price 40,000 gp
The first time each day you die, your vital and spiritual essences mingle together and reside within this aeon stone. You have a limited sense of how many life forces are currently within 30 feet of the stone, which you can potentially use to determine when it’s safe to call on the stone’s power. At any time within the next hour after your body died, you can spend 1 minute concentrating in order to return to your body. As long as your body is still intact, you are no longer dead—you are restored to 1 HP with the doomed 3 and wounded 3 conditions. You can benefit from the effects of only one pale orange rhomboid aeon stone in a given day.
The resonant power allows you to wait more than an hour to return to your body with the aeon stone; as long as the wayfinder remains on the body, your body doesn’t decay and you can return at any point.
Type pearlescent pyramid; Level 10; Price 900 gp
While invested, this aeon stone grants the benefit of the
property rune to your weapons and unarmed attacks.The resonant power grants a special activation.
Activate envision; Frequency once per minute; Effect You gain the effects of
for 1 round.Type pearly white spindle; Level 3; Price 60 gp
When you invest this aeon stone, it slowly starts healing your wounds, restoring 1 HP every minute.
The resonant power grants you resistance 1 to negative damage.
Type western star; Level 6; Price 225 gp
This aeon stone must be activated to provide a benefit.
Activate envision, Interact; Effect You activate the aeon stone to gain the effects of a 1st-level
.The resonant power allows you to render all of your aeon stones and your wayfinder invisible whenever you use the activation to gain the effects of
.