Idk

A Jaydick Merperson Au where Jason is a Prince along with Damian and Tim, They were all adopted except Damian. Bruce is king and his kingdoms name is Gotham because im lazy. Dick is the Prince of Romania under King Haly. The two kingdoms are near each other (Dont tell me there not next to each other in real life I already know) and fear war with each other that will result in lots of loss so a peace treaty is signed. Each of the kingdoms offer one thing that will ensure the peace of their kingdoms for a long time.(Or they hope so) You have one guess what was offered.