The The Path Home Add-on for Shadow of the Tomb Raider has 6 achievements worth 120 gamerscore.
Obtain Magic Touch Skill, equip Silver Strike Moonbeam weapon and Midnight Sentinel Farseer outfit
Complete all 7 downloadable content missions and receive the Tunic of the Shorn One
Complete the Eternal Reward Side Mission
Complete the Mother Protector Challenge Tomb
Obtain a Bronze, Silver, or Gold medal in Time Attack for the Mother Protector Challenge Tomb
Obtain a Bronze, Silver, or Gold medal in Score Attack for the Mother Protector Challenge Tomb