Story: The Birth of a Hero
199X, October, The End Day.
It was the day that arrogant humanity dug their own grave, and it was the day of the demise of scientific civilization.
The docile animals transformed into ferocious monsters and turned their tusks for the first time towards the weakened mankind. The survivors gathered together and built villages, and defended themselves from outsiders fiercely.
とはいえ【とは言え】
【例文】
80とは言え頭はしっかりしている
Though he is eighty, his mind is clear.
4月とは言え朝はまだ冷たい
Although it is April, the mornings are still chilly.
とは言え彼独りの責任にする訳にはいかない
However that may be, he shouldn't be held solely responsible.
ツ〜窶堙俄?佚寂?堋キ窶堙ゥ works as a particle as a set. In this case, that's "about", "of", "over" or like that.
"Although it is natural" is not bad. "It" refers to the phenomenon "着実に「救世主伝説」が広がっていった".
The core of the sentence is 人たちの間に「救世主伝説」が広がっていった, thus, 人たちの間 refers to where the legend spread. (明日に対する不安の日日を過ごす modifies 人たち, of course.)
あいだ【間】
5 〔あるグループの人たちの範囲〕
その男たちの間に女が2人混じっていた
There were two women among the men.
その歌手は十代の少年少女の間で人気がある
The singer is popular among teenagers.
議長は正会員の間から選ばれた
The chairman was elected from among the regular members.
it's like translating backwards from the end of the sentence.
People were in fear of tomorrow, therefore they longed for the savior and the legend was spreading among the people.I just need to ask what exactly is natural? The fear of the people or the spreading of the legend amidst such fear?
Story: The Birth of a Hero
199X, October, The End Day.
It was the day that arrogant humanity dug their own grave, and it was the day of the demise of scientific civilization.
The docile animals transformed into ferocious monsters and turned their tusks for the first time towards the weakened mankind. The survivors gathered together and built villages, and defended themselves from outsiders fiercely.
The legend of a savior was spreading among people who were spending their time in fear of tomorrow, as is only natural.