Ioun Stones
Note: You may only benefit from 3 Ioun Stones, & they must all be worn on the head somewhere. They are small, prism like gems that can be incorporated into jewelry. Ioun Stones vary in effects & rarity as follows. Ioun Stones are exclusively found in the Lokil.
Rare
Awareness: You cannot be surprised.
Minor Reserve: You may store up to 3 spell levels in this stone.
Protection: You gain +1 to AC.
Sustenance: You do not need to eat or drink.
Wound Closure: You stabilize automatically at the start of your turn. When you spend a Hit Die, double the Hit points regained.
Very Rare
Absorption: You may use your Reaction to cancel a spell of up to 4th level targeting you. After absorbing 20 levels, the stone is destroyed.
Enhancement: Adds +2 to a specific Attribute (Max: 20)
Greater Reserve: Stores up to 6 spell levels
Resistance: You gain Resistance to a specific type of damage (Acid, Cold, Fire, Lightning, Thunder)
Legendary
Greater Absorption: You may use your Reaction to cancel a spell of up to 8th level targeting you. After absorbing 50 levels, the stone is destroyed.
Major Reserve: Stores up to 9 spell levels
Mastery: Increases Proficiency Bonus by +1
Regeneration: You regain 15 Hit Points every hour. You may use your Action to spend a Hit Die to recover Hit Points immediately.