章節 278: Chapter 278: Level Up Again! Guardian Defense Mechanism_1

The next second, the long-lost system prompt sound entered Leo Ray's ears.

[You consumed Stone x72000, Iron Ore x60000, Obsidian x3000, Dark Magic Crystal x100]

[Guardian Defense Mechanism Lv3 is upgrading, please wait...]

At the same time, a dazzling colorful light curtain rose, completely enveloping the entire hexagonal Guardian Defense Mechanism.

Under the deep blue night sky, the light curtain surrounding the Miracle Building was like a vivid aurora, making people feel refreshed and invigorated.

While waiting, Leo Ray first accepted Silas Brooks, Xavier Perry, and Cheyenne Hamilton's friend requests.

Then, he directly went to the Shadow Squad's Fortress Barracks that he visited in the afternoon.

Climbing the staircase to the second floor of the fortress, Leo Ray noticed.

At this moment, the staircase leading to the city wall on the second floor had been fully completed.

Only a few Shadow Squad soldiers were still polishing the newly completed stair steps.