You could make a small room somewhere that is big enough for the sanctum portal, then save taht location. Then you can get to that place without digging again. Beacon it if you need it for a long time so it doesn’t regenerate.
You could make a small room somewhere that is big enough for the sanctum portal, then save taht location. Then you can get to that place without digging again. Beacon it if you need it for a long time so it doesn’t regenerate.