Elder Yu frowned and thought for a moment, "The most troublesome thing is the weapon refining furnace and the alchemy furnace. If you want to make your business big, you need large and high-quality weapon refining furnaces and alchemy furnaces."

"Is it difficult to refine the weapon refining furnace and the alchemy furnace?"

"Refining requires a lot of manpower, material resources and refined iron, but the most difficult and core thing is inside the furnace..."

When Elder Yu said this, his heart skipped a beat and he couldn't help but look at Mo Hua.

The core thing is...the formation inside the furnace!

Elder Yu thought about it together, and his thoughts suddenly became clear.

Everything is ready! They lack nothing!

They have spiritual stones, they have manpower, and they have the most difficult formations... they also have ink paintings.

Elder Yu was a little unbelievable for a moment.

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Chapter completed!