C117 Ein's Heart

Vegapunk was said to possess wisdom that surpassed the modern age by 500 years. The technology he developed could not be replicated, and the practical effects were even more powerful!

Even Rolin himself was envious.

"System, why did you give me the unlimited summoning card of Estes back then? It was not something that could be obeyed by me just by summoning it. Thinking about her ability