Sai is a weapon available for use in Shadow Fight. It is a weapon that adds 40% of power to Shadow's attacks. It costs 1500 gold to buy and also requires a 10000 tourney rating to be bought. It is also one of the required weapons to battle the Rakhasa and in the Spiked Cup tournament
Advanced sai is a stronger version of the sai, adding 55% to Shadow's attacks. It costs 150 rubies and does not require a tourney rating.