Also, death is the consequence God gave for disobedience, right at the beginning, with Adam and Eve.
Death was given as a consequence throughout the Bible, from beginning to end, in a multiplicity of ways.
It was the lie of the serpent which contradicted this, by saying, you will not surely die (Genesis 3:4).
And that lie, the lie at the heart of the fall of man and corruption of all creation, is told to this very day.