All Ten Disciples Have a System

A struggle for supremacy in another world, where everyone is powerful and I alone reign supreme. In an age of invincibility, no one can attain eternal life! I say you live, and you live forever. I say you die, and you enter the cycle of hellish rebirth. Backed by an all-powerful System, Wu Tian and his ten disciples, each with a System of their own, are invincible in the world...

The first disciple has a sign-in System...

The second disciple has a cross-world group chat System...

Everyone else is drunk, while I alone remain sober. But all ten of my disciples are major villains... Now I must reform these ten incorrigible disciples.

Still, I intend to seal the heavens... What can the heavens do to stop me? [Invincible protagonist] [System cultivation]