Secret charms group

[late quest]

I started the game today and in my first charms class Sebastian told me to go to somewhere if i wanted to join some secret charms group. Where is that??

[feral rover]

Crossed wands dueling club is with Lucan Brattleby near the clock tower entrance (south wing of Hogwarts).

[late quest]

Okk dueling club was what i meant lol but tyyy