Dementors fact file
Shaped like humans covered in dark hooded cloaks, their skin resembles that of a grey rotting body
- Magic Abilities
Though they are blind, they can sense and feed on positive feelings, draining their victim's happiness
- Typical Habitats
The Dementors affect you worse than the others because there are horrors in your past that the others don’t have.
‘But what ARE Dementoids?’ asked Uncle Vernon furiously. ‘What do they DO?’
‘I told you – they suck all the happiness out of you,’
Harry Potter and the Order of the Phoenix.
by J.K. Rowling
I think the only reason I never lost my mind is that I knew I was innocent. That wasn't a happy thought, so the Dementors couldn't suck it out of me.