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