The The Mountain Royals Add-on for Age of Empires II: Definitive Edition has 14 achievements.
Complete the Ismail campaign.
Kill Farrukh Yasar before he reaches his fortress in "The Red Hats".
Capture all Tabriz noblemen in "Road to Royalty".
Defeat the Ottomans in "Khata'i".
Complete the Thoros the Great campaign.
Convert at least three Byzantine generals in "The Emperor's Revenge".
Defeat all enemy Cypriot players in "Bloody Crestwaves".
Do not lose any Tarsos Villagers in "Of Turncoats and Traitors".
Complete the Tamar campaign.
Defeat Yury before the end of the siege in "Yury's Revenge".
Ensure Alexios completes his Wonder in "Tamar the Builder".
Complete all side-quests in "The Queen in the Panther's Skin".
Win a game playing as the Armenians.
Win a game playing as the Georgians.