Alas Poor Otto

From the publishers blurb:

The wizard Inclulas is dead – a spiked club to the back of the head has that effect no matter how many scrolls you own. Brigands have looted his body within sight of his manse, and his scrolls disintegrate into the bloody mud around him. His servant, Ottö, saw the murder, but his presence in the backlit doorway scared the murderers away - for the time being. Now Ottö has retreated to the alchemical workshop, to help himself to all the liquor he can find. He has inadvertently mixed several potions together in his guts, and the weird magical concoction has had peculiar effects...