Basilisk HelmLevel 18 Uncommon
This helm, carved to resemble a basilisk, can be activated to immobilize an enemy.
Head Slot 85,000 gp
Power ✦ Daily (Immediate Reaction)
You can use this power when an enemy within 5 squares of you makes a melee or a ranged attack against you. That enemy is immobilized (save ends).
Published in Player's Handbook, page(s) 248.