If you want to teleport to other Kingdoms, your Stronghold must be level 1-5 and you have 'Beginner Teleport' (When your Stronghold reaches Level 2, the system will give 2 'Beginner Teleport' to you. ). After you have Beginner Teleport and is level 1-5, find other Kingdom on the world map and tap an open tile you will begin to Teleport.