C1638 Exploding the Underground Magma River

"Let's dig a hole from the ground and see if there are any weaknesses in the core of the mountain range."

"It would be best if we can find the existence of a mineral vein and directly detonate it to annihilate all of them."

The Mutated Iron Wire Worm believed that Lachlan's idea was unlikely.

"They have already used the mountain as a training ground. Everything has been investigated thoroughly