The Legacy of the First Blade - Episode 2: Shadow Heritage Add-on for Assassin's Creed Odyssey has 5 achievements worth 110 gamerscore.
Kill 10 enemies using the Rapid Fire ability.
Set 10 enemy ships on fire.
Heal by parrying 10 times with the Judgment of the Lion.
Continue the bloodline.
Kill all of the Ancients in the Order of the Storm in Achaia.