To be honest, the time Tang San spent connecting to Douluo Continent was not actually very long.
Take Shrek's Ultra-High-Altitude Detection Soul Tool, for instance—if its signal were to suddenly drop, it would take quite a bit of fuss to reconnect.
Yet, connecting the divine consciousness signal to Douluo Continent in the time it takes to brew a cup of tea is by no means slow. The real problem lies in the time dilation difference between Douluo Continent and the God Realm.
Chapter 1175