Anka vowed that if he were ever removed from his tomb, he would come back to life and turn those responsible to stone.
9 seconds sound clip from Scooby-Doo, Where Are You! - Scooby Doo and a Mummy, Too (S1E12).
You can hear this line at 00:01:59.764 in the Blu-ray version of the episode.
Quote context
[...]
- This is the mummy of Anka, once the most feared ruler of ancient Egypt.
- Wow! He could still scare me, Professor.
- Don't worry about him, Daphne. Anka is over 3000 years old.
- That's funny. He doesn't look a day over 2000 to me.
- Thanks to Dr. Najib, the mummy of Anka completes the university's replica of his tomb.
- I only hope that the curse of Anka did not follow, Professor.
- A most ominous curse, I must say.
- Now, if you'll excuse me, Professor, it's time for me to take my leave.
- Well, thank you again, Dr. Najib.
- Well, do you kids still want to stay and help me tonight?
[...]