<P> In Half - Blood Prince , after she casts the Bat - Bogey Hex on Zacharias Smith , Professor Slughorn respects her magical abilities enough to invite her to join his `` Slug Club '' . Ginny becomes a permanent member of the Gryffindor Quidditch team as Chaser , and substitutes for Harry as Seeker when Severus Snape puts him in detention during the Quidditch Cup final . After witnessing Ginny kissing Dean in an empty corridor , Harry has an angry internal reaction . This reaction surprises him and upon reflection , he realizes his attraction to Ginny . Since Ginny 's older brother Ron vocally objects to Dean going out with his sister , Harry fears his reaction would be the same with him . Ginny 's relationship with Dean ends altogether in April following an accidental nudge from Harry under the effects of Felix Felicis , which Ginny interprets as Dean unnecessarily trying to help her through the portrait hole . Ginny and Harry share their first kiss after Gryffindor again won the Quidditch Cup defeating Ravenclaw , thus initiating their relationship . This does not alter Harry 's relationship with Ron as he had feared , and they are able to enjoy their relationship for a peaceful few months . After Dumbledore 's death , however , Harry decides to end their relationship as he fears his love for Ginny would place her in danger . </P>
<P> In Half - Blood Prince , after she casts the Bat - Bogey Hex on Zacharias Smith , Professor Slughorn respects her magical abilities enough to invite her to join his `` Slug Club '' . Ginny becomes a permanent member of the Gryffindor Quidditch team as Chaser , and substitutes for Harry as Seeker when Severus Snape puts him in detention during the Quidditch Cup final . After witnessing Ginny kissing Dean in an empty corridor , Harry has an angry internal reaction . This reaction surprises him and upon reflection , he realizes his attraction to Ginny . Since Ginny 's older brother Ron vocally objects to Dean going out with his sister , Harry fears his reaction would be the same with him . Ginny 's relationship with Dean ends altogether in April following an accidental nudge from Harry under the effects of Felix Felicis , which Ginny interprets as Dean unnecessarily trying to help her through the portrait hole . Ginny and Harry share their first kiss after Gryffindor again won the Quidditch Cup defeating Ravenclaw , thus initiating their relationship . This does not alter Harry 's relationship with Ron as he had feared , and they are able to enjoy their relationship for a peaceful few months . After Dumbledore 's death , however , Harry decides to end their relationship as he fears his love for Ginny would place her in danger . </P>
who does ginny hex on the hogwarts express in harry potter and the half-blood prince
who does ginny hex on the hogwarts express in harry potter and the half-blood prince
Zacharias Smith
Zacharias Smith