Eren leaves to restore a break in the wall destroyed by a Titan. He comes under attack by the Titans and is cornered. Shikishima comes to his aid. The titans never stops attacking. Eren is now injured and tries to protect Armin, but is swallowed by a titan. A Titan with black hair appears and begins to expel the other titans.
"If there were no night, we would not appreciate the day, nor could we see the stars and the vastness of the heavens. We must partake of the bitter with the sweet. There is a divine purpose in the adversities we encounter every day. They prepare, they purge, they purify, and thus they bless."
James E. Faust