Like Father Like Son is a quest in Divinity: Original Sin. This quest is acquired when you approach two trolls east of the Goblin Village Waypoint Portal - Archibald and his son Amadeus.
- Approach the trolls to initiate a dialogue.
- Refuse to pay the toll for +1 Independent and kill Archibald (6000 XP).
- Pay the toll for +1 Obedient (no XP).
- If you kill the Troll King before approaching Archibald, he will then declare himself the new Troll King, leaving the bridge open to you and giving you some loot as a reward (4000 XP).
- 6000 XP if you kill Archibald
- +1 Independent or +1 Obedient.
- 4000 XP and some loot if Archibald becomes the new Troll King