In Dante's Inferno, what is Dante's reaction to the sinners introduced in Circle 9?

Early in
Dante's poem, we learn that Dante must
gird for battle like an epic hero, though his battle is
against pity. In the
early cantos, Dante struggles with his impulse to empathize with the

sinners's suffering. He even faints when he contemplates Francesca's story in the
lustful
.

With each contrapasso, Dante contemplates that
the sinners have become
what they had wanted in life, though in an ironic
way. As he becomes more illuminated regarding
the errors in choices the
sinners have made, he becomes more aligned with God's way of seeing
human
sin. When he gets to the icy lake at the bottom, in the circle of the betrayers,
he
understands sin so well that he can only feel indignant at these
sinners
experiencing...