C397 Symbol Sword Exertion

Lin Yi was too lazy to talk with them. After the past few days of research, Lin Yi knew a little about how to control the rune sword.

Lin Yi ignored their shock. He waved the rune sword in his hand and in the blink of an eye, the rune sword extended by a few feet.

Its entire body was emitting a faint golden light and a dense number of golden runes. It emitted a bitter, deep, and deep sword hum