strtoupper('“M')y Soul Was Racked with Eternal Torment”

In this instance “eternal torment” lasted three days. Eternal is a name of Deity and is being so used in such texts. Thus the reference is to the quality of the torment rather than its quantity or duration. (See D&C 19:4-12.)
Joseph F. McConkie, Robert L. Millet -

Joseph F. McConkie, Robert L. Millet

Doctrinal Commentary on the Book of Mormon, Vol. 2

References