When the Deadly Sins were accused of the attempt on Zaratras 's life , Merlin knocked Meliodas unconscious .
When the Deadly Sins were accused of the attempt on Zaratras 's life , Merlin took his power from him .
When the Deadly Sins were accused of the attempt on Zaratras 's life , Merlin knocked Meliodas unconscious and took his power from him .