Agreed. If you want to try making a server and inviting friends, use a whole new world for that. BTW I think Valheim always creates a server for you even on solo play. That is why the character and world save files are separate. This is a great game for seniors like us, because it plays well with planning and preparation style just as well as quick reflex hack and slash style. For example, I always build an earthwork redoubt when I enter a new plains biome area (when you get to that part you'll know why).