Su Xin coldly looked at Dao Yu, the Venerable, before him.,Regardless of who you are or which faction or sect you belong to, whoever dares to kill my junior brother Qingyou, you will surely die without a doubt!,That was still many years ago, before he had broken through to the Nirvana Realm. The first time he went to the Qingxuan battlefield, he killed a severely injured Fourth Step Venerable and was left behind by the other party.。