1 Nephi 11:30
And it came to pass that the angel spake unto me again, saying: Look!
And I looked, and I beheld the heavens open again,
and I saw angels descending upon the children of men;
and they did minister unto them.
And I looked, and I beheld the heavens open again,
again - 11 occurrences in 9 verses - 1 Nephi 10:3, 14, 11:20, 26, 30, 31, 32, 35, 36