Mercenaries are people who do anything as long as they are paid.

In his previous life, Ghislain had taken on many assignments beyond just fighting.

He’d been involved in fortress construction and even taken on building temporary barracks when there was a shortage of manpower during wars.

‘If I hadn’t been called the Mercenary King, they would’ve called me the Construction King.’

At first, he had simply relied on brute strength without much understanding, but after receiving similar assignments repeatedly, he began to pick up basic knowledge of construction and civil engineering.

He realized that to win a war, it …