This article, Fire Release: Blaze Ball, is property of Ryoku Ikazuchi.
The user concentrates a small amount of chakra in to his/her arms in a form of a sphere, this process takes no more than 2 seconds. The user then throws the balls at the opponent at a fast rate. The user has the ability to increase the size of the balls after they have been thrown. The balls have the ability to burn the opponent and anything in their way