The Legacy of the First Blade - Episode 3: Bloodline Add-on for Assassin's Creed Odyssey has 5 achievements worth 130 gamerscore.
Kill 10 enemies using the Fury of the Bloodline Ability.
Heal by getting 10 headshot kills while you have the Golden Harbinger equipped.
Acquire the Sword of Kings
Kill all the Ancients in the Order of Dominion in Messenia
Secure your bloodline