The film stars Kate Beckinsale, Scott Speedman, Tony Curran, Shane Brolly, Steven Mackintosh, Derek Jacobi, and Bill Nighy.
When Macaro examines Viktor's corpse he finds a metal disc which matches a pendant originally worn by Sonja.
Using the knowledge of computers obtained from Kraven's blood, Markus tracks Selene and Michael down and attacks them, but they evade him and hide in a warehouse.
Alexander reveals that he has devoted his entire immortal life to keeping the Vampire-Lycan war a secret, and refuses to assist Selene in killing his sons.
He learns the location of William's prison by drinking Selene's blood before mortally wounding his father and obtaining the other half of the pendant.
At Alexander's bidding, Selene drinks his blood, enhancing her physical strength and healing abilities to a level equivalent to that of a hybrid.
In the ensuing battle, Michael, presumed dead and carried aboard the helicopter, awakens and joins the fight in his hybrid form, killing William by ripping his head off.
After the battle, Selene discovers that Alexander's blood granted her hybrid abilities, including being immune to the effects of sunlight, which is lethal to vampires.
The site's consensus reads, "A visual and aural assault on the senses, this vampire-werewolf sequel makes a lot of noise and features a heavy-handed, overly convoluted story.
"[6] Metacritic, which uses a weighted average, assigned the film a score of 36 out of 100, based on 21 critics, indicating "generally unfavorable" reviews.
[9] Jeannette Catsoulis of The New York Times criticized the film's "steel-blue filter" and described it as "a monotonous barrage of computer-generated fur and fangs.