 House Slytherin Pure Bloods You Night In this short we'll showcase you the Slytherin Common Room Easter Egg. So within the Slytherin Common Room simply stand in front of any of the three windows and shoot said windows with your wand. Eventually you'll see that within that lake there's a giant squid and this squid will hit the window in annoyance with one of its tentacles. Pretty cool Easter egg for sure guys. If you want to see more check out my channel for more Hogwarts Legacy.