Harry using Crucio.

[potioncat]

No: HPFGUIDX 174288

 
> colebiancardi:
> 
> but Harry failed when he first used one back in book 5 - which led the
> readers to believe that Harry was too *good* to ever use an
> Unforgivable Curse and only the scum of the earth would use these
> underhanded type of curses.
> 
> there is more than one way to defeat the enemy - going down to their
> level should not be one of them.

Potioncat:
Me too!
We also have HBP where Snape prevents Potter from casting Unforgivables 
and is very insistant that Harry not perform them. We don't see Snape 
casting any either, and he makes Carrow stop the Cruciatus. 

Potioncat (hoping she hasn't repeated something already said.)