"Blazblue: Calamity Trigger", is a fighting game for the PS3 and Xbox360 is fighting game that's similar to Guily Gear with its graphics and fighting styles. In the game, Rachel Alucard is a mysterious vampire who is the current head of the Alucard Family. One may be more familiar to the name Alucard as the protagonist of the anime series of "Hellsing".
Here's a video taken from youtube featuring her combos.
Release: May 2011, 12800yen (Tax Included)
Source: Toysdailly, AmiAmi