The Bridge of Immortality is a cryptic, ancient stone bridge that is named after the mysterious ocean called the Sea of Immortality which it spans over. It connects the Prison of Souls, as well as the dark realm's solid landmass, to the Pyramid of Shinnok. Its location is nestled deep within the Netherrealm. uge bridge is heavily guarded by the Keepers, demonic guards who would attack both trespassers and foes alike without mercy.