What does Leviticus 26:36 say in the KJV?

And upon them that are left alive of you I will send a faintness into their hearts in the lands of their enemies; and the sound of a shaken leaf shall chase them; and they shall flee, as fleeing from a sword; and they shall fall when none pursueth.

A consequence described for disobedience to the covenant.

King James Version (public domain)

Traditionally attributed to Moses · c. 13th century BC · The Pentateuch — Genesis, Exodus, Leviticus, Numbers, and Deuteronomy — is traditionally attributed to him

Context

34Then shall the land enjoy her sabbaths, as long as it lieth desolate, and ye be in your enemies’ land; even then shall the land rest, and enjoy her sabbaths.

35As long as it lieth desolate it shall rest; because it did not rest in your sabbaths, when ye dwelt upon it.

36And upon them that are left alive of you I will send a faintness into their hearts in the lands of their enemies; and the sound of a shaken leaf shall chase them; and they shall flee, as fleeing from a sword; and they shall fall when none pursueth.

37And they shall fall one upon another, as it were before a sword, when none pursueth: and ye shall have no power to stand before your enemies.

38And ye shall perish among the heathen, and the land of your enemies shall eat you up.