C186 Strange sound

"You actually managed to invite a savage soldier? Is it really an eye-opener? " Song Yang looked at Zhang Nan in astonishment, and also took out a Glyph to throw to the sky, and started reciting: "Master heavenly thunder, the dragons and tigers are fighting, the sun and moon are illuminated, please follow my orders;

Just as Song Yang finished speaking, thunder rumbled in the sky and the ground