Wind Release: Maelstrom Burst Technique

After performing the short set of seals needed for this technique's completion, the user will form a spear of compressed air in their hand. The spear is about 8 feet long, and weighs almost nothing, making it very easy for the next step to be possible: the spear is then thrown, with enough potential to pierce through trees and walls. Whatever it sticks into without piercing through will then experience a small explosion of wind released by the spear as it fades away. The chakra cost of this jutsu is small, allowing for multiple spears to be thrown one after another with few consequences.