WHAT DOES BLUE GOBA MUSHROOMS MEAN?

Goku transforms into Super Saiyan Blue through his sparring session with Krillin in an effort to test his real might, with Krillin experience Goku's godly force, and Android 18 and Gohan noticing a large gap of their powers. Krillin fees his Kamehameha though Goku prices his a bit greater God Kamehameha, both fighters fire their beams, and also a b