Attack On Titan - Season 1 - Episode 7 - Small Blade: The Struggle for Trost, Part 3 [English Subbed]

Summary :- Things turn bleak for the cadets when headquarters is overrun by Titans, leaving them unable to resupply before evacuation. After Mikasa learns of Eren's death, she leads a reckless charge for HQ but gets separated from the others. She nearly accepts her imminent death until she finds the will to fight, but she is miraculously saved with the arrival of a mysterious Titan that fights other Titans, a manifestation of humanity's rage.