[Sky Arena].
With its incredible thousand layers, this colossal tier-eight tower structure, visible in the physical world, rises two thousand kilometers high, compressing space countless times within to house secret realms and secrets.
Rather than a tower, it's more appropriate to describe it as a world-like spiritual artifact, a multi-functional ecosystem with immense scale.
Not only does it reinforce and stabilize the boundary wall of Blue Star, it can also influence the Outer Battlefield from the world's interior, disrupting the rules like a mythical object piercing the heaven, stabbing into the world beyond.
In fact, its main construction was carried out in the Outer Battlefield, where the strong face lesser suppression.
