The last part of Assassin's Creed: Odyssey DLC has four side quests - Give Our Respects, No More Wine, The Favor and Thank You, Misthios.. This page contains walkthroughs to all of them.
Give Our Respects
Go to Mount Ithome Fort to start this mission - find the note on top of the tower.
Your objective is to defeat Order Guards in Ithome Fort, in Apollo Korynthos Temple, and in Stenyklares Checkpoint. Remember to perform stealth kills on them. Otherwise, you will be attacked by several dozens of enemies.
Save the game every time you move to another location. Thanks to that, you will avoid a situation where you have to repeat large sections of this mission.
No More Wine
Go to the home where your child was raised. To receive the quest, go to the shrine built for Darius's son.
Your objective is to find three items. Place them on the man's grave.
Thank You, Misthios
The goal is to find four treasures.
You have to find and defend Aiantides. After that, you have to find his treasures. Complete this objective to finish the mission.