Tornados are an epic battle item.
Obtaining
Tornadoes are generally crafted in the forge.
Once you reach stronghold level 19, it is also available in the shop.
Can also be received as a reward from
Strategic Uses
Tornados are considered are one of the most difficult items to create in the game. They are considered particularly useful for titans, especially if that titan is powerful enough to kill your heroes in one shot. Shuffling the board provides a greater chance that you will be able to hit the titan's weak point.