Ever since the start of the eternal winter, time has been frozen on Frigost. If Hazieff Taroun's hypothesis is correct, this situation was bound to collapse at some point... and the prospect of all his frozen time catching up with him at once doesn't seem to make him feel very optimistic. You need to enlist the help of some chronomagic experts to ensure that Harebourg's Water Clock remains stable.
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→ Go to [2,1] and enter the house. Click on the star-shaped lamp to open the door to a puzzle room. You need 5 characters to stand on the tiles (see image) and 1 to pull the lever.(note: nobody can be standing on other tiles in the room, even the extra people.) In the second puzzle room you need 6 characters on the tiles (see image) and 1 to pull the lever. That is, 7 characters are required to reach Henual's room. Before solving these puzzles, bear in mind that the Overseer of Time's dialogue is time-sensitive; he will only update the quest 5 minutes before a full hour.