Soon after Sasuke Uchiha probed the gang leader's intellect and realized of Kara, Staff 25 was sent to help Sasuke in investigating this new shadow organisation in Amegakure. The genin figured out of underground tunnels and a place which was sealed off turn out to be of the gas leak. https://edgaruhteo.rimmablog.com/28277769/considerations-to-know-about-23hoki