Key of Chak Chel (Artifact)

Key of Chak Chel is an artifact from Shadow of the Tomb Raider.

History
Key of Chak Chel is an ancient Mayan artefact, locked away on top of an underground pyramid. Lara Croft found it and pulled it from its resting place to prevent it falling into Trinity's hands, but doing so unleashed the Mayan apocalypse.