How to Get Free Energy
If you touch the following objects on the corresponding flooer you will get one extra energy.
The house elf
The blank painting on the far left.
Lower Floor West:
Fire lamp on the right side of the great hall doorway.
Lower Floor West (2):
Central soldier statue.
Brown stick, in between Whomping Willow and Hagrids Hut.
Oranges painting (Next to Gryffindor’s CR)
Lower Floors East:
He stack of books on the bench.
Peeves behind the stairs.
Person standing in alley between buildings.