How to Imprison foreign Ruler?

[olivenkranz]

Title

U want the "Gazophylax This!" achievemnt. I need to have Demetrios imprisoned. Currently he has like 8 territories.

 

[Fede92]

Annex his remaining territories. You will get the event in which you can decide the fate of the important families of the annexed country. Invite the Antigonids in your country. Then imprison Demetrius by the option in the character tab.

 

[Lord Lambert]

If you full annex the Antigonid Kingdom, you can choose to take their rulers into your nation, and from there you can imprison and click the button

 

[olivenkranz]

If you full annex the Antigonid Kingdom, you can choose to take their rulers into your nation, and from there you can imprison and click the button

Annex his remaining territories. You will get the event in which you can decide the fate of the important families of the annexed country. Invite the Antigonids in your country. Then imprison Demetrius by the option in the character tab.

Thank you both!