Secret #11 - JernAndrews/Control-Archipelago GitHub Wiki

from the balcony like area next to the Control Point, look away from the control point and the Luck & Probability door and look down, levitate towards a balcony covered with ivy that is visible below, break the glass on the left and walk through the door to another door marked with Lab 10, head inside the lab and walk up the stairs to reach the hidden location (I hope you have Charge ready :)