If you check-in with 4 every day experience, 300000/4 = 75000 days, if start check-in at the age of 1, 100 = 100 days, you almost want to live for 200 years keep check-in every day (who knows there is no sign in this thing after 200), 4 experience water again if you every day, half the time, but considering the reality, you could no longer live for 100 years, 50 years, you have to water every day 16 experience, may be you are a diligent person, water 32 experience every day, so need to 25 years!!!!!!!!!!! Again if you are a big monster, daily water 64 experience, then as long as 12.5 years!!!!!!!!!!! Also if you are an impatient person, water 128 experience every day, you as long as 6.25 years!!!!!!!!!!!!!!! If you have already impatient, daily water 256 experience, the bunkers, you as long as 3.125 years!!!!!!!!!!! 3 years or, of course, you will feel too far away, every day you are idle egg hurts, busy water 512 experience, bunkers, you only need 1.5625 years, only a little more than