Complex sentence: In one legend it is said that a hot sand storm destroyed most of Hanlin due to the reason that the king had murdered his brother with a dagger as he could not create a shower of diamonds fall on a Chinese diplomat.
Split into simpler sentences: In one legend it is said that a hot sand storm destroyed most of Hanlin. This occurred because the king had murdered his brother with a dagger when he could not create a shower of diamonds to fall on a Chinese diplomat.