Ioun Stone, Absorption

D&D 2024 item: Ioun Stone, Absorption. Source: Dungeon Master's Guide (2024). type Wondrous Item, Very Rare rarity, Requires attunement Ioun Stone While this pale lavender ellipsoid orbits your head, you can take a Reaction to cancel a spell of level 4 or lower cast by a creature you can see. A canceled spell has no effect, and any resources used to cast it are wasted. Once the stone has canceled 20 levels of spells, it burns out, turns dull gray, and loses its magic. Requires attunement Wondrous Item Very Rare