Complex sentence: However, in Walk for your lives, the enrgy ball in that episode grew and grew and grew until it exploded.IT is unknown how all the humans survived the explosion, for the city looked as if it was exploded by a atomic bomb.
Split into simpler sentences: However, in Walk for your lives, the enrgy ball in that episode grew and grew and grew until it exploded. It is unknown how all the humans survived the explosion, for the city looked as if it was exploded by a atomic bomb.