Aeon StoneAeon StoneAeon stones are magic gemstones that orbit your head (or the nearest equivalent of a head, for species that lack heads) and grant you a constant magic effect. They do not count toward your worn magic item limit, and there’s no limit to the number you can have orbiting you. They are most common in the Azlanti Star Empire, which also has unique ways of using such stones, but the most common types of aeon stones can be found in magic shops in many major settlements. Aeon stones are categorized by their shape and color, with all stones of the same shape and color having the same magic abilities.
Placing an aeon stone in orbit around your head is a standard action, and removing it is a move action. An aeon stone must be in orbit for you to benefit from its abilities. The stone orbits at a distance of 3 inches to 3 feet, as you prefer, but always outside any armor or helmet you wear. An orbiting aeon stone has an Armor Class equal to 12 + your character level, and it can be attacked directly or even grappled (a successful grapple check plucks the stone out of its orbit and into the attacker’s hand). Most aeon stones (including all those presented here) are capable of glowing with a bright light. As a standard action, you can activate or deactivate the illumination of an aeon stone, which glows brightly enough to increase the light level in your square by one step (see Vision and Light on page 261).
Each aeon stone also has at least one other power that comes into effect when in orbit around you, detailed in the individual descriptions below.
 Aeon Stone, Obsidian Annulus
Source Starfinder Armory pg. 110
Level 13; Price 55,000; Bulk —DescriptionThe first obsidian annuluses appeared as protective devices worn by important Azlanti agents. While this aeon stone orbits you, when you are the target of a spell or spell-like ability, you can spend 1 Resolve point as a reaction to gain spell resistance equal to 11 + half your character level. This spell resistance ends after the effect that triggered your reaction is resolved. The aeon stone can’t provide you spell resistance for 1 hour thereafter, and you can’t gain spell resistance from any obsidian annulus during this time.
Source Starfinder Core Rulebook pg. 222
Level 1; Price 245; Bulk —DescriptionThis aeon stone sustains you by negating the need for food or water. Aeon Stone, Turquoise CubeSource Galactic Magic pg. 48
Level 1; Price 250; Bulk —DescriptionFirst seen in the back-alley gambling houses of Broken Rock, pirate crews have since carried these “luck stones” throughout the galaxy. Once per day as a reaction when you fail an attack roll, saving throw, or skill check by 1, this aeon stone can retroactively grant you a +1 bonus to the roll, turning the failure into a success. Once you benefit from a turquoise cube aeon stone, you become immune to the reaction of any turquoise cube aeon stone for 24 hours.Source Starfinder Core Rulebook pg. 222
Level 2; Price 740; Bulk —DescriptionThis aeon stone sustains you by negating the need to breathe. Aeon Stone, Cloudy Blue RhomboidSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 3; Price 1,300; Bulk —DescriptionWhile this aeon stone orbits you, as a reaction while falling, you can cast flight (1st level), targeting only yourself (caster level 3rd). This aeon stone can be activated once per day.Aeon Stone, Opalescent White PyramidSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 3; Price 1,400; Bulk —DescriptionWhile this aeon stone orbits you, you have proficiency with one kind of weapon (laser pistol, plasma doshko, zero pistol, and so on) at all item levels. Each stone of this type is keyed to a particular kind of weapon when it is created. Changing the type of weapon an existing opalescent white pyramid aeon stone is keyed to requires time and 3 ranks in Mysticism, as if you were crafting the aeon stone, but this alteration has no cost. Aeon Stone, Amber HyperboloidSource Starfinder Armory pg. 110
Level 4; Price 2,200; Bulk —DescriptionAbadarCorp first manufactured amber hyperboloids as defensive devices for law enforcement agents. While this aeon stone orbits you, you have DR 1/— and energy resistance 1 against all energy types, but both apply only to damage from ranged attacks. Aeon Stone, Banded Malachite CabochonSource Drift Crisis pg. 69
Level 4; Price 2,000; Bulk —DescriptionThis aeon stone functions as a specialized scrying sensor that’s constantly alert for a specific trigger. Once per hour as a move action, you can task the aeon stone with watching for a specific simple stimulus such as “any Medium or larger creature,” “the sound of an approaching creature,” or “smoke.” The aeon stone constantly perceives your surroundings in a 30-foot radius with human-like senses and darkvision; the stone cannot detect anything beyond that range. The stone has a +15 modifier to Life Science, Perception, or Physical Science checks to identify that assigned stimulus. If the stone senses the stimulus, it telepathically signals you, imparting information about the stimulus’s direction and distance for 1 round. The stone can provide up to three such signals per hour and no more than one per minute. The stone watches for its assigned stimulus until you deactivate the aeon stone or task it with detecting a new stimulus. Aeon Stone, Bright Yellow CabochonSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 4; Price 2,000; Bulk —DescriptionWhile this aeon stone orbits you, you gain a +4 insight bonus to Culture checks to decipher exotic, intricate, or very old writing. In addition, once per day as a standard action, this aeon stone can be activated to cast comprehend languages as a 1st-level spell (caster level 4th). Aeon Stone, Scarlet PrismSource SFS Scenario #1-27: King Xeros of Star Azlant pg. 17
Level 4; Price 2,140; Bulk —DescriptionA scarlet prism aeon stone stores a single charge that it can discharge as a tiny laser beam, functioning identically to an azimuth optical laser augmentation. The aeon stone cannot be immediately recharged by spending a Resolve Point, but while its charge is spent, it provides its user with fire resistance 5 that applies only against laser attacks. When a laser attack inflicts enough damage to the user to bypass this resistance, the aeon stone immediately becomes recharged, no longer providing resistance until it is discharged again. Aeon Stone, Kehtarite OvalSource Drift Crisis pg. 69
Level 5; Price 3,000; Bulk —DescriptionAlthough found on other worlds, the brittle blue mineral kehtarite is named after and is especially prevalent on Kehtaria, where it’s often incorporated into fire-suppressing insulation. While this aeon stone orbits you, it inhibits nearby combustion. You gain a +4 circumstance bonus to saving throws against the burning condition, and you automatically extinguish any nonmagical fires in your space or any squares you enter, to a maximum of 20 5-foot cubes per minute. When any burst or emanation that deals fire damage or has the fire descriptor (such as an incendiary grenade or explosive blast) is centered on a space or intersection within your reach, as a reaction, you can drain the aeon stone’s magic and attempt a Reflex save against the effect’s save DC (or DC 13 plus half the effect’s item level or CR if it doesn’t have a saving throw) to suppress the effect. If you succeed, you delay the effect for 1 round, after which it takes effect as normal. When drained in this way, the aeon stone provides no further benefits for 24 hours. Aeon Stone, Sapphire ConeSource Starfinder Armory pg. 110
Level 5; Price 3,200; Bulk —DescriptionAballonian corporations initially distributed sapphire cones, but none of those businesses have a clear claim to the original device. While this aeon stone orbits you, you have limited telepathy you can use only with creatures that have the technological subtype and are within 100 feet of you. Aeon Stone, Ruby SphereSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 6; Price 3,850; Bulk —DescriptionWhile this aeon stone orbits you, it functions as a comm unit and a tier 3 computer with an artificial personality upgrade that you can access directly through your nervous system without needing a user interface. While the stone orbits you, you are aware of any attempt to connect to it and can grant access if you wish. This computer can be upgraded as normal, and the upgrades are all magical. The stone is magically powered, so the computer doesn’t need a power source. Aeon Stone, Viridian BalbisSource Starfinder Armory pg. 110
Level 6; Price 4,200; Bulk —DescriptionThe Veskarium is the source of the viridian balbis, although the popular story is that the vesk “liberated” the stone’s design from skittermanders during the conquest of Vesk-3. While this aeon stone orbits you, your speed increases by 10 feet; this enhancement bonus applies to any movement speed you have.Source Alien Archive pg. 7
Level 7; Price 7,500; Bulk —DescriptionThis aeon stone creates an invisible force field around you that functions as a purple force field. The stone has a daily capacity of 10 charges and fully recharges itself every 24 hours. Aeon Stone, Iridium StarSource Galactic Magic pg. 48
Level 8; Price 9,250; Bulk —DescriptionDeveloped by the Academy of Purpose on New Thespera, iridium stars see everyday use throughout the Azlanti Star Empire’s Imperial Fleet as an atmospheric bailout safety measure. You can activate this aeon stone once per day as a reaction when you’re in a vacuum, zero-g environment, or both. Once activated, the aeon stone grants you immunity to cosmic rays, immunity to the environmental effects of vacuum, the ability to go without breathing, and a fly speed of 30 feet (average maneuverability) that works only in a vacuum or zero-g environment. This effect lasts for 1 hour.Aeon Stone, Lusinite RoseSource Drift Crisis pg. 69
Level 8; Price 9,500; Bulk —DescriptionRenowned for its iridescence, the gemstone lusinite has a dazzling quality that often sees the mineral hoarded by birds and other animals as treasures. As an aeon stone, it captivate creatures in three ways. As part of the action used to cast a spell with the charm descriptor, you can activate this aeon stone to negate any bonus to the saving throw one target might receive for being threatened or attacked by you or your allies. Second, you can activate the aeon stone as a reaction when you attempt a Charisma check to convince a charmed creature to follow your suggestions. Third, you can activate the aeon stone as a reaction when a threatening behavior by you or your allies would end the effects of your spell with the charm descriptor. The charmed creature attempts a Will save against the spell with a +5 enhancement bonus; if it succeeds, it ends the spell as normal, but if it fails, that threatening action does not break the spell (though subsequent actions might do so).
You can activate the lusinite rose twice per day, using any combination of these three effects. A creature is immune to the aeon stone’s effects if it cannot see the item.Aeon Stone, Vibrant Green PrismSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 9; Price 14,000; Bulk —DescriptionHighly prized by Azlanti pilots and astrogators, a vibrant green prism aeon stone is linked directly to the Aeon Throne on New Thespera. If you plot a course to New Thespera and succeed at the required Piloting check while this aeon stone orbits you, you can travel through the Drift from anywhere in the galaxy to New Thespera in only 1d6 days.Source Starfinder Core Rulebook pg. 222
Level 10; Price 18,000; Bulk —DescriptionThis aeon stone grants you a +2 insight bonus to Perception and Sense Motive skill checks. Aeon Stone, Alabaster HelixSource Starfinder Armory pg. 110
Level 11; Price 30,000; Bulk —DescriptionRumor says the first alabaster helix originated on a hidden world somewhere in the Vast. This aeon stone must adjust to your physiology by orbiting you for 24 hours. If the stone stops orbiting you for more than 1 minute, it must readjust to you. The stone can orbit you while you’re prone or unconscious, but it stops orbiting you if you die. While the alabaster helix orbits and remains adjusted to you, you regain 1 Hit Point per hour. You can have only one alabaster helix adjusted to your physiology at a time.Source Starfinder Core Rulebook pg. 222
Level 11; Price 25,000; Bulk —DescriptionThis aeon stone increases your caster level by 1. This affects only calculations that directly refer to your caster level, such as caster level checks and spells with a duration of 1 round/level. It does not affect your spells known or spells per day. If you do not normally have a caster level, this does not give you any ability to know or cast spells.Aeon Stone, Iridescent TrillianSource Starfinder #8: Escape from the Prison Moon pg. 44
Level 12; Price 32,000; Bulk —DescriptionWhile this aeon stone orbits you, when you are hit by a ranged attack, you can spend 1 Resolve Point as a reaction to attempt a Reflex saving throw with a +6 enhancement bonus. If your saving throw result equals or exceeds the result of the attack roll that hit you, the aeon stone deflects the attack, and it deals you no damage or other effect. This deflection doesn’t work against area attacks. Aeon Stone, Kaleidoscopic IcosahedronSource Starfinder Armory pg. 110
Level 12; Price 35,000; Bulk —DescriptionThe kaleidoscopic icosahedron originated within the Azlanti Star Empire as an award given to high-ranking members of the Aeon Guard. While the stone orbits you, if you roll a d20 and you dislike the result, as a reaction you can reroll the d20 and use the better result. Alternatively, as a reaction when you are the target of an attack, you can force the attacker to reroll the d20 and use the worse result. Once you have used the stone to cause a reroll, you can’t do so again for 24 hours, and you can benefit from no other kaleidoscopic icosahedron during this time. Aeon Stone, Silver LemniscateSource Starfinder Armory pg. 110
Level 14; Price 65,000; Bulk —DescriptionShirrens brought a few silver lemniscates—gifts from Hylax—with them when they arrived in the Pact Worlds. While the silver lemniscate orbits you, whenever you are about to end your turn with the dying condition, the silver lemniscate stabilizes you. At the start of your next turn, you regain 1 Hit Point. After providing you this benefit, the silver lemniscate can’t do so again for 24 hours, and you can’t benefit from a different silver lemniscate for 24 hours.
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