Keywords are: 'druid tonic sundrinker drinker' The 'sundrinker' tonic is drunk, and gives the user the ability to regenerate more quickly in the presence of sunlight. It tinges the skin a deep green color. Sundrinker also reduces the duration of light blindness, and can reduce the impact of sunlight based attack spells. A creature cannot be the subject of both winterkin and sundrinker at the same time.