Three weeks ago, "The Serpent’s Heart" became the fifth DLC add-on to be released for Shadow of the Tomb Raider . Now Square Enix is teasing the sixth add-on, "The Grand Caiman", with a gif that shows Lara hanging perilously over a pit filled with lava.Little else is known about the new challenge tomb aside from the fact that players will have to "survive the wrath of a Maya god before his vengeance rains destruction across the world". We're bound to find out more details soon enough, though, as the DLC is due to be released later this week on March 29th.We've got the full list of Shadow of the Tomb Raider achievements - check the list for guides to unlocking them.