The The Emperor and The Hermit Add-on for Stronghold Crusader 2 has 10 achievements.
Complete the "The Emperor & The Hermit" skirmish trail
Team up with The Emperor and defeat a team of two Hermits in a skirmish match
Defeat The Hermit without destroying any of his Mosques
Defeat a team of the Sultana and the Hermit in a skirmish match by yourself
Defeat The Emperor on "Uprising" in "The Emperor & The Hermit" skirmish trail without destroying any of his towers
Kill 500 Conscripts in a skirmish match against The Emperor
Defeat the Hermit in a skirmish match by only training assassins
Start in the centre estate and defeat 6 Emperors on "The Last Stand" in Custom Skirmish
Win a skirmish match against a team of The Emperor, The Princess, King Richard & The Slave King