Skeletons
The interior of the secret realm was totally different from the outside world, the smell of death could be felt everywhere. Billions of skeletal bodies of all sizes could be seen in this vast, ancient field, the rotten scent was still in the air even after millions of years had passed.
When billions of people entered, those who were not accustomed to the bad smell began to vomit. The place that was quiet became very noisy after everyone entered the secret kingdom.
"We fulfilled our part of the agreement, now it is each group by itself." The leader of the Remnants group spoke and was followed by his group, the stronger seniors wanted to stop them, but before they could do anything, a portal sucked the remaining somewhere.
This scene left all the elderly with ugly faces, they had a vague idea of the goals of the Remnants and knew that if they could achieve their goals, the Nine Worlds could enter a new age of darkness. This was something no one wanted.