Chapter 273: Chapter 273: Work Hard! Five Lords_1

"A total of 3,500 units of obsidian and 200 units of Dark Magic Crystal, right?"

After checking the exact quantity of the two types of ore in the Space Bracelet, the joy on Leo Ray's face was overwhelming: "At this stage, the Guardian Defense Mechanism in the territory is at Tier 3.

The materials needed for the next upgrade are 72,000 units of stone, 60,000 units of Iron Ore, 3,000 units of Obsidian, and 100 units of Dark Magic Crystal.

The first two common resources are naturally abundant. With the newly obtained Obsidian and Dark Magic Crystals, the Guardian Defense Mechanism can now be upgraded to Tier 4!"

In his excitement, Leo Ray continued to think, looking at the uneven stone walls around him, still covered with a large amount of black ore: "At present, all 18 Earth Guardians are at the Tier 2 Nine-Star level. If they are upgraded, wouldn't they all breakthrough to the Tier 3 level?"