All Might's last fight against All For One set off a series of events leading to his retirement as a hero, but he continues to fight, even as the embers of One For All within him die out.
that means that the person 
went through something scary.
.فذلك يعني أنه مر بشيء مخيف
significa que esa persona
pasó por algo terrible.
significa que esa persona
pasó por algo terrible.
ont souvent vécu
une expérience terrifiante.
basicamente, ela passou 
por uma experiência tenebrosa.