The nine-headed black dragon, a legendary beast, was the one of the four divine beasts that once ruled over the Frontier.

The so-called Western Black Dragon was the protector of the West, and Wei Chun-Hak had barely managed to sign a contract with it after tracking it down for twenty-one months without sleep.

‘The hardships I went through back then still wake me up at night…’

But never once did Wei Chun-Hak regret making a contract with the dragon, because its strength was great enough to fight a war alone against most countries.

Unfortunately, there was one problem with summoning the dragon—a great price had to be paid in order to summon such a strong divine beast.

-Contractor…what is your purpose for summoning me and what are you willing to offer?

-Is it magic again? That’s not enough…

-Magic alone won’t fill me up…

“Fortunately for you, it’s a pretty big trade this time. The request is to exterminate that bastard. What I’m willing to offer in return is…”

Wei Chun-Hak lightly tapped himself on his heart.

“All of my magic and half of my remaining lifespan.”

There was no need to offer such a high-stakes trade every time he summoned the nine-headed black dragon. There was only one reason why Wei Chun-Hak was paying this ridiculous price:...