C4240 He Could Not Laugh Anymore!(last part)

"We sacrificed 36,000 people and went deep into the ocean 2,100 meters to find a black meteorite. The hardness of the black meteorite is ten times that of iron. In order to collect the black meteorite, we sent out 112 Master-level mining men and two Master-level mining men. It took two years and eight months to finally create 10 Blackbirds