Breakthrough

The air above Poisonous Swamp was slightly hazy; poisonous particles danced together to form strange shapes that slowly trapped the air, isolating the surroundings from the vast outside environment of the Eternal Battlefield.

Because of this strange phenomenon, the inside of Poisonous Swamp turned even deadlier as time passed.

However, if you were to ask the veterans about what was the most poisonous thing in the station, they would show a forced smile and lament while sighing.

...

Dawn silently floated while looking at the scenery around him with a scrunched nose; every time he tried to take a deep breath, he felt as if he had inhaled burning iron.

"What perseverance!" Dawn silently commented in his heart while glancing at the faces of the people around him.

Men and women of various ages, dressed in single pieces of cloth that covered their bodies entirely, not exposing even a bit of skin.