Dark Currents Test Their Edge, Blood Hidden Shocks with Thunder

The Sacred City Great Array was the ultimate defensive force established by the ancestor of the Thunder Ancient Kingdom and continuously reinforced and perfected by Imperial Sovereigns. It even contained some of the might of the rules' operation.

Contracts signed under its witness carried extremely powerful binding force. Once violated, they would suffer a direct backlash from the great array's power and might even trigger punishment at the level of the Supreme Rule.

This was the most reliable and intimidating guarantee for a contract.

"Good." Blood Hidden Elder nodded.

Lei Zhan's expression turned solemn as he raised his hand and swiftly inscribed in the air. Streams of purple-gold runes containing the aura of imperial bloodline and the laws of thunder formed out of thin air, rapidly intertwining and winding together before finally becoming a contract document that shone with sacred and majestic light.

The contents of the document were clear and straightforward.

Lei Zhan was to provide Blood Hidden Elder with the necessary support, while Blood Hidden Elder was to assist Lei Zhan with full power in seizing the Heart of Thunder Source.

At the heart of the document were two vacant spaces for soul imprints.

"Please!" Lei Zhan took the lead, forcing out a drop of essence blood containing the aura of his soul source and letting it fall onto one of the vacant imprint spaces.

Buzz!

The essence blood merged into it, and the contract document blazed with light. A majestic thunder imprint slowly condensed at its core.

Blood Hidden Elder likewise extended a withered finger. A drop of dark-red essence blood seeped from his fingertip, containing immense Life Blood Qi and a deep aura of deathly stillness.

The essence blood fell onto the other vacant imprint space.

Hiss!

The instant the dark-red essence blood touched the contract