In Nifflheim Town, enter the house at (167,161) and go to the top of the stairs. There is a Deviruichi. Talk to it and it will ask for 2,500,000 Zeny. If you choose to pay the amount you will become divorced from your spouse. However, this does not reset your adoption status. Therefore, if you have adopted another player:
- You may not readopt.
- Adoption skills will still affect you and the player you divorced from.