The Grand Caiman is the sixth DLC pack for Shadow of the Tomb Raider. This DLC released on March 29th, 2019.
Lara Croft reunited with Jonah Maiava in Mission of San Juan before returning to Paititi. He told that some of the Trinity soldiers had found some old and set up a base camp there. The ruins were built for priests of Zipacna. Many people still visited ruins before the soldiers took over them. Abigaile Ortiz thinks it has something to do with the tremors and ash not stopping. Lara offered to go see what is going on in the ruins. Lara found the Crab Relic amongst the Trinity supplies, and decided to take the artifact back where it belonged. It however was an ambush Trinity had set up for her. Lara killed the Trinity soldiers and returned the Crab relic. to the ancient machine, which did stop the tremors and ash. Lara then returned to Jonah and Abby to let them know what had transpired.
The collectibles of this DLC go under Respect for the Gods Artifact Collections. During the completion of this DLC challenge tomb Zipacna's Craving, player is awarded with "Volcano" skill which allows the player to craft incendiary shotgun shells.