Tempest of Chaos

A powerful item you can get in a Red Panda "Epics" shop.

In-game description
+25 intellect and increases damage done by targeted spells or debuffs by 100 and healing done by 200. Also adds a rare chance for spell and heal crit (5% chance on spell to damage heal for an additional 100/200).

Requirements
Azuresong Mageblade

Alchemist's Stone