1) Upon arrival to the Parkour Tower climb the steps at the beginning and enter the doors

2) Empty your inventory into the EC at the bottom. Only bring food with you on this Journey

3) Stand on the Honey block at the center of the tower. Press the nearby note block to start your climb. (Note: There is no turning back after this step)

4) After descending on the honey block start your climb on any of the 4 corners.