Shock! My Sister's System Is Better Than Mine

[Brother and sister + cultivating immortals + system + funny + invincible + cool article] The brother and sister accidentally got the system and skyrocketed all the way. In the end, it shocked the past and present. What interesting things happened on the way to creating an eternal generation? The brother was surprised to find that his system was not as good as his sister's! The mysterious ancient wilderness, the headless and immortal corpse, the immortal battle between immortals and gods, and what is at the end of the immortal calamity let us brothers and sisters find out...