From Square Enix:
Get a first look at Baba Yaga: Temple of the Witch, all new downloadable content coming for Rise of the Tomb Raider in early 2016. Featuring hours of new gameplay, Baba Yaga expands the story of the main campaign with Lara facing deadly new adversaries, exploring a new puzzle filled tomb, and solving a decades old mystery, all culminating in a showdown with an ancient and mythic evil. Baba Yaga: Temple of the Witch is included in your purchase of Season Pass and will be available for Xbox One and Xbox 360. Your purchase of Season Pass includes a wealth of new content that will expand your single player campaign and allow you to compete with friends. Buy now.