Chapter 3925: Mysterious iron shard

Within the storage space, Owen Su's consciousness had taken the form of a humanoid figure. A faint look of surprise showed in his eyes as he studied the object floating silently before him. It was an iron shard, black as ink from end to end. Yes, an iron shard. At a glance, it looked no different from any ordinary piece of iron. Yet it had appeared inside Hun Tian Demon Venerable's storage space. More importantly, when Owen Su discovered it, the shard had been sealed beneath a strange restriction....