The Legacy of the First Blade - Episode 1: Hunted Add-on for Assassin's Creed Odyssey has 5 achievements worth 110 gamerscore.
Kill the Makedonian lion.
Kill 10 enemies using the Death Veil ability.
Discover the truth about Darius's past.
Land a Rush Assassinate that chains 4 times with the Pride of the Lion.
Kill all of the Ancients in the Order of the Hunters in Makedonia.