At the entrance to the Temple of the Warriors, facing the Castillo, is one of fourteen examples of Chac-Mool sculptures found at Chichen Itzá. It was used as a sacrificial stone. While not part of Maya artistic tradition, and thought to have been introduced by invading Mexican groups (such as the Toltecs) in the Post-Classic period, the Chac-Mool may have been based on Maya imagery of captives and sacrificial victims.
The Chac-Mool, along with the Temple of the Warriors itself, reflects the amalgamation of Maya and Mexican cultures. Chichen Itzá was conquered by the Mexicans in the tenth century A.D. They introduced new artistic and architectural styles, new gods, and the use of warfare to obtain victims for sacrifice to the sun, but the new rulers gradually adopted Maya language and religious beliefs.