The The Fate of Atlantis: Episode 3 Add-on for Assassin's Creed Odyssey has 5 trophies - 4 bronze and 1 silver.
Trophies they've won
Trophies they've not won
Defeat the Hekatonchires.
Kill 10 Isu Soldiers with the Blessing of Kronos enhancement.
Forge the 3 Legendary Weapons.
Collect all the Keeper's Insights in Episode 3.
Completely fill the Knowledge Sequence.