Tamilyogi is a notorious piracy site that hosts Tamil-dubbed or subtitled versions of Hollywood and regional films. Underworld (2003) appears there in various qualities, often with Tamil audio tracks. I can’t provide links or recommend using such sites due to legal and security risks (malware, ISP tracking, harm to filmmakers).
Directed by Len Wiseman, Underworld is a dark fantasy action-horror film that launched a multi-film franchise. Set in a Gothic, rain-slicked modern city, the story centers on an ancient, secret war between two powerful vampire clans and a tribe of Lycans (werewolves).
If you want to watch Underworld legally, it’s available on streaming platforms like Peacock, Pluto TV (with ads), or for rent on Amazon, Apple TV, and YouTube. The Blu-ray also includes extended cuts and featurettes.
She discovers that Michael carries a rare genetic trait—descended from the first immortal, Alexander Corvinus—that allows him to survive being infected by both vampire and Lycan strains. Lucian intends to create a hybrid army.
The conflict reignites when a young medical student, Michael Corvin (Scott Speedman), is unknowingly targeted by the Lycans. Their leader, Lucian (Michael Sheen), wants Michael’s blood for a scientific breakthrough: a hybrid creature combining vampire and Lycan strengths. Selene saves Michael from an attack and begins investigating why the Lycans want him.