The Major then explains to Walter that, despite his skill, his window of opportunity to kill Alucard had come and gone. With the millions of souls he has absorbed from London, Alucard has regained his ability to regenerate virtually without end, and Walter can no longer harm him in any meaningful way.

Did Walter kill Alucard?

Walter then grabs a piece of rebar and attacks Alucard, impaling him through the chest. ... Alucard goes on to present what he believes is the reason for Walter's betrayal; his fear of becoming old and useless. To prove his abilities to himself, Walter desired to destroy Alucard and allowed this obsession to consume him.

Why did Walter kill Alucard?

Alucard goes on to present what he believes is the reason for Walter's betrayal; his fear of becoming old and useless. To prove his abilities to himself, Walter desired to destroy Alucard, and allowed this obsession to consume him.