What will the cataclysmic events of the seven years culminate in?
The cataclysmic cosmic events of those seven years culminate with the curse being totally lifted, Satan defeated and removed from the scene, and, after that holocaust, the emergence of a garden of Eden-like earth for the kingdom. This follows God's wrath poured out upon Satan and mankind who followed him.
Les explains that the seven years are a crescendo of God's wrath upon Satan and the mankind who have been following him. The cataclysmic cosmic events of that period will culminate with the curse being totally lifted, Satan defeated and removed from the scene. After that holocaust, a garden of Eden-like earth will come forth for the kingdom.