I've just purchased DMC3 Special addition and really loving it but I've got a probably equiping new weapons.  At the moment I'm playing on the east mode automatic on but I can only use the Rebellion and Cerberus......tried everything and I just can't seem to use any of the new weapons. I'm now stuck on mission 14 because ...

can virgil do final judgement cut and the barrier like he does when your dante and u fight him on the last mission?

Lady and Lucia are not...I repeat, ARE NOT...related! 'Lucia' just happens to be the name of both the defect created by Arius and Lady's gun/s!