Adds +1 to Constitution (depending on initial Constitution score, either 0/+1 to max HP per character level and 0/+1 to Fortitude saving throws)
Sonic damage inflicted on the wearer is reduced by 1 point per attack/effect
Darkrift damage inflicted on the wearer is reduced by 3 points per attack/effect
User’s melee weapon attacks (including monk open hand) deal +2 Damage as Fire
Bestows immunity to toxic gas
Unlike Ioun Stone Iridescent Spindle, Ioun Stone Iridescent Sphere does not negate the need to breathe and is effectively useless underwater.
Sustains the character without air. It doesn’t actually allow the character to breathe in a hostile environment, it negates the need to breathe. It can be used underwater to avoid drowning, in water to avoid ingestion of toxic fluids, and on dry land to avoid inhaling toxic gas–though it has no effect on toxins which are absorbed through the skin or injected.
Adds +2 to Dexterity (thus adding +1 To Hit with ranged attacks, +1 to AC, and +1 to Reflex saving throws) and -3 to Will saving throws
Adds +1 to Dexterity (thus, depending on prior Dexterity score, either 0/+1 To Hit with ranged attacks, either 0/+1 to AC, and either 0/+1 to Reflex saving throws) and -3 to Will saves
Adds +2 to Strength (thus adding +1 To Hit in melee and +1 Damage with melee and thrown weapons) and -1 to AC
Ranged attacks made by the user deal +2 damage as Cold. Cold damage inflicted on the wearer is reduced by 2 points per attack/effect.
Grants immunity to the side-effects of Undead Touch Attacks (e.g., Paralysis, Poison, curse, etc.) This item does not mitigate HP damage caused by Undead Touch Attacks or spells that deal HP damage.
When affected by a maze spell, if the user succeeds on a DC 15 Will save, the user will not be affected by the maze spell. (Under normal circumstances, maze does not allow a saving throw to resist the effect.)
Damage inflicted on the wearer from melee attacks made by Undead is reduced by 2 points per attack.
Does not mitigate Undead Touch Attack effects, even if the HP damage is reduced to 0.
Adds +1 to Fortitude saving throws but user may not equip any other ioun stone
Adds +2 to Dexterity (thus adding +1 To Hit with ranged attacks, +1 to AC, and +1 to Reflex saving throws) and -1 to AC
Adds +2 to saving throws vs. the side-effects of Undead Touch Attacks (e.g., Paralysis, Poison, curse, etc.) This item does not mitigate HP damage caused by Undead Touch Attacks.
This item is not part of the Mithral Set.
Grants 5 points of Retribution Damage. If the attacker is an Accursed monster, the total Retribution Damage granted is +10.
Adds +2 to all saving throws. If the user of this ioun stone has also equipped a Skull of Cavadar, the bonus is +3 to all saving throws instead of +2.
Before beginning their adventure, the user adds either +2 to Strength (thus adding +1 To Hit in melee and +1 Damage with melee and thrown weapons) or +2 to Dexterity (thus adding +1 To Hit with ranged attacks, +1 to AC, and +1 to Reflex saving throws)–not both.