The Great Barrier

The Great Barrier also known as Omnisphaera Tenebris, The Final Destination, The End  is the final point of all of existence and non-existence.and is Impossible to reach, meaning nothing reached and will ever reach the barrier. Even if something will ever reach (hypothetically), it would be impossible to go through the barrier. Even extended cosmology ends at this point, everything that's beyounded it is literally indescribable