Chapter 813: Sealing Arts Breakthrough

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"So uh…" Raven muttered to himself as he freely float within the vacuum of space. "How should I continue this?"

Eyes glowing with a rainbow colored radiance, he stared at the Eternal Division Wall, pondering deeply about his next course of action. 

See, Raven's been feeling hesitant all of a sudden - which is not a good sign especially when he's in the middle of a huge project like this. 

It was mostly fine…the project he meant. Renovating the Eternal Division Wall was relatively easy. He's far from done but it was nothing difficult as he already has the image of the Grand Seal he wants to use for it. 

But see, that's the thing…the Grand Seal. Well, 'Sealing' in general. 

At this point, it's already established that Raven specializes on creating and using seals for everything he does. His whole cultivation is centered around it basically.