Against the Four Elders

As soon as the last sixth-level spiritual vein master died, a smile appeared on Katsumi Barlow's lips. "System prompt: Congratulations to player Katsumi Barlow for reaching the upgrade requirement and increasing his level by one. His current level is Spiritual Vein Level 4!" Because of the cross-level kills, these thirteen Lu family spiritual vein masters either brought Katsumi Barlow 5,000 or 10,000 points of kill experience each time. Adding up the thirteen people, the experience Katsumi Barlow...