Vayvayastra

The Vayvayastra is a Cosmic Weapon belonging to Kana Korimachi. It's a fan.

Overview
the Vayvayastra is a fan capable of create extreme, category 5 scale tornado force winds capable of destroying buildings.

It can be used as a bow or through the King's Arsenal.

Trivia

 * The Teen Baan is one of the Astra in Hinduism.