'"Don't worry, Madoka."[Homura helped her up] "Once the witch is defeated, they will all be free."
"Good. I know you and Sayaka chan can do it!" [Madoka's temporary smile fell] "But, the witch is Miku. All witches were normal magical girls..."
[homura looked away, a faint look of regret on her face] "There is nothing more that can be done for them. witches are trapped. Its best for them to end..." [She would have destroyed grief seed, if she didn't have to use them to sustain herself to continue her quest]
"But I'm sure there must be a way!"
"Well, when witches are defeated, they revert back and hibernate in a grief seed. they only rehatch when absorbed enough darkness or left alone fr a while..."
"then that gives time to find a way to save them