Upgrade Points From Attack On Titan

Lin Yan traveled to the world of Attack On Titan.Originally, Lin Yan only wanted to live in peace and stability. As an ordinary person, he couldn't expect more.However, the place where Lin Yan crossed is actually Wangdu Underground Street, a place full of darkness, blood and death.Fortunately, Lin Yan's system awakened at this time, and he was able to upgrade and add points to a system that continued to become stronger.. . . . . ."Your blade can cut through my armor directly?" Armored Titan Reiner looked at Lin Yan, who was full of energy and blood, like a wild beast, with a horrified expression on his face."Is this really human?""Is it possible to reach this level just by relying on pure skills and physical strength?"The titan Zeke of the ape, looking at Lin Yan who had turned the entire battlefield around by himself, couldn't restrain his expression of fear at all. Lin Yan: "So?" Lin Yan: "This is...