Now I know his horrible plan. He's going to kill her and make her a living mummy, like himself.

7 seconds sound clip from the The Mummy (1932) movie soundboard.

You can hear this line at 01:09:04.320 in the Blu-ray version of the movie.

Quote context

[...]

- Let me go! Let me go! Don't kill me! I'm a priestess of Isis!

- Save me from that mummy! It's dead! Save me!

- I no longer fear you. Do with me what you will.

- Frank! Frank!

- She's gone to him. They must be in the museum.

- Now I know his horrible plan. He's going to kill her and make her a living mummy, like himself.

- The gods will receive into the underworld the spirit of Anck-es-en-Amon. But not for long.

- Osiris will release thy soul.

- You shall rest from life, like the setting sun in the West. But you shall dawn anew in the East as the first rays of Amon-Ra dispel the shadows.

- Look! What's that? Come on!

[...]