A trap that perhaps works too well. No matter how much loot you take, you never took anything at all. Confused? Wait until you try this dungeon. The players are hired to investigate and clear a tomb of a time wizard. This tomb is heavily guarded both by creatures and traps, and some sages are concerned that the defenses are lasting longer than they were supposed to. Unknown to the sages, the wizard, Sur-in Am, bound a time elemental to guard the treasures of the tomb. This guardian's duty is to frustrate robbers by returning stolen items to their original place and also reset traps in the tomb. Pgs. 26-36

Operating as secret agents for the Lords of Waterdeep, a promising lead takes you deep into the world of the Xanathar, but what will it take for you to return?

In this level 6 adventure for 4-6 players the party comes across a man named Johann Dhomm who was transporting animals in cages to his private island where he has a menagerie (a kind of zoo) that he eventually wants to open to the public. But the animals have escaped and he asks the party to try and catch them alive for him. However, the animals are actually quite dangerous and range from Gazers to a Wyvern.

"People have been disappearing at night in the city of Silverymoon. Some vanish entirely, leaving behind whispered rumors of fiends or other evil creatures having spirited them away. Others return strangely altered, with their memories of having been kidnapped wiped clean and their minds strangely dulled — and always with remarkable haircuts."