The correct response regarding the impact of Pacal the Great on the Mayan Empire is:
In life, he expanded his empire. In death, his tomb and the decorations placed in it and upon it underscore the complexity of the Mayan Empire.
Pacal the Great, who reigned from 615 to 683 AD, is known for significantly expanding the territory of the Palenque city-state and for his contributions to its architectural and cultural achievements. His tomb, discovered in the Temple of the Inscriptions, is adorned with intricate carvings and imagery that reflect both his royal status and the religious beliefs of the Maya, showcasing the complexity of their society.