Rare drop from hallowed and corrupt/crimson mimics
The rune will float midair when dropped, so it won't fall to the ground with the other loot.
Accessory
Description:
You feel something is surrounding you
Your defence is increases by 4 and endurance increases by 5% but speed decreases
Also you have 5% chance to not take damage from enemy projectiles and hitting npc will give them midas debuff.
Material in Rune of Algiz