Dixie Dean died in 1980, after suffering a heart attack while watching Everton against Liverpool at Goodison Park.
We can imagine some of the stuff thats down there, things like rusting ship wrecks, gliding sharks, discarded and forgotten nuclear missiles, sunken submarines, the odd skeleton and your great granddads throw away bike. Harassing at the right time gives you an advantage in the laning phase which makes it easier for you to farm and get big and strong.