Bottle of Enhanced Raubritter Lager

Obtained by using a Meal From the Beak of a Night Harpy on a Bottle of Raubritter Lager. Using it gives some positive effect against Night Harpies on the Isle of Ada. The timer counts down even if the player is offline.
When used, the following message appears: A delightful brew, extra spicy and with an invigorating aftertaste! The night harpies should have a harder time with you for the next four hours.
When it expires, the following message appears: The effects of the Night Harpy Lager fade.