"Me?" Hearing this, Dustin couldn't help but be stunned for a moment, and then waved his hands repeatedly: "Old Heavenly Master, don't joke, how can I guard the dragon vein? You should pick someone else." He didn't dare to take such a hot potato. Guarding the dragon vein is not like guarding the house. Once there is any mistake, it will not only affect one person, but the entire Longhu Mountain and even the entire Dragonmarsh. The pressure is too great and I can't bear it. "Don't rush to refuse." Zhang Xuanji smiled and said: "There are actually many benefits to guarding the dragon vein. First of all, the dragon vein is spiritual. If you can get in touch with it, then your cultivation will advance by leaps and bounds, and your life span will be greatly extended. With the dragon vein's luck, you will be invincible, and no one in the world can stop you." He was not exaggerating. Once you get the dragon vein'