Xuanhuan: From the Start, I Sign In for the Honghuang Sword Body

After transmigrating to a fantasy world, he bound himself to the Primordial World sign-in System! Signing in at a cave in the Primordial World earned him the Primordial Sword Body, granting him mastery of sword qi and sword beams! Signing in at the Azure Dragon Sect earned him the Azure Dragon of the East, letting him ride it across the blue skies! Signing in at the Sword Tomb earned him the Immortal-Slaying Sword. With an immortal sword in hand, the world was his! Signing in on the battlefield of the war between gods and demons earned him the Twelve Divine Fiends Formation. Within the formation, he decided who lived and died. Everyone else could just wait for death! ...Before he knew it, his sign-ins had made him invincible!