The xel'naga precursor is a variant of the probe enhanced by xel'naga technology. In an alternate timeline where Zeratul survived the opening stages of the End War, the dark prelate deployed them in his fight against Amon's Forces.
Applies your currently selected spray or decal to the terrain at the target location. Creates one charge every three minutes and 34 seconds for a maximum of five charges. Each player may have only five sprays on the map at a time.