However , Voll has noticed what happened , and a Troll , one of the evil one 's servants , finds and takes out of the water the fish Festin - who is trapped by his own spell and can not change back .
However , Voll has noticed what happened , and a troll , one of the evil one 's servants , finds and takes Festin out of the water . 
 The wizard is trapped by his own spell and can not change back .