Chapter 434: Is this the level?

Can he really answer it? Even Lumina Sean , who had always been very confident in Harbinger Campbe 's ability, couldn't help but reveal a hint of worry in her beautiful eyes. For the first time, she became less confident in Harbinger Campbe. You know, this problem of Wentz's is really a very professional and profound one, involving a world-class problem at the forefront of the current field of neurosurgery. Even top experts like Wentz are troubled by it and have no way to solve it. Even if Harbinger...