For this one, you have to press on 6 switches as fast as you can. There is a catch though.
There are a bunch of weeds shooting at you, and you cannot use potions or roll. I will post how i did it for second place, but with the same way i've done it for first as well, i managed to slow down at some areas.
And done. The skyway for the Bastion is on the northest point.