A hostile tribe.
2 seconds sound clip from the King Kong (1933) movie soundboard.
You can hear this line at 00:21:27.043 in the Blu-ray version of the movie.
Quote context
[...]
- The only possible landing place is through this reef.
- The rest of the shoreline is sheer precipice, hundreds of feet high.
- And across the base of that peninsula, cutting it off from the rest of the island, is a wall.
- A wall?
- Why?
- There's something on the other side of it, something they fear.
- Why, yes. Some native superstition, isn't it? A god or a spirit or something.
- Well, anyway, neither beast nor man. Something monstrous, all-powerful.
- Still living, still holding that island in a grip of deadly fear.
- Well, every legend has a basis of truth.
[...]