Vishnu's weapon is called Vajra, also known as Vajra Diamond, Vajra Stick, etc. Vajra pestle is a common artifact in Buddhism, symbolizing indestructible strength and wisdom, and is one of the symbols of Vishnu. In Buddhism, Vajra pestle is also used to represent "emptiness" and "being", symbolizing the transcendence of opposites. In Hinduism, the weapon of Vishnu is also called "Vajra", which is a divine weapon given by Indra, the god of thunder, to defeat evil and protect justice.