Elena was giving Natasha a mission to complete. She would have three objectives in that mission. The main objective was to reach a place called Ethumya. It was a famous area of the demon continent where many strong monsters lived and several strong demons gathered. In Ethumya, the weakest person would at least be a B rank powerhouse, anyone below that power level would not be able to survive the atmosphere of the place.
In Ethumya, demons and monsters were always in a frenzy to battle. If any of the monsters encountered the demons, they would immediately start fighting.
This area had an insane number of S ranker which was over at least 30. The A rankers were even more numerous, in thousands. This was exactly the area where Natasha needed to reach.
