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The Red Hourglass of the Dragon's Era indicates the time of the next Wave and transports the heroes and their party to the regions that the calamity will strike. Not much else is known other than what was mentioned in the series.


It is a gigantic hourglass, approximately 7 meters tall, with red sand enshrined. It is decorated and gives off an indescribable divine aura. One exists in each country where the calamity will strike.


When the final grains of sand from the hourglass drip down, it indicates the next occurrence of the wave phenomenon. The Heroes, along with their merry band, will be teleport to the place where the Wave of great calamity will occur within that particular hour glass's territory range. The first few Waves only depict the calamity's event in Melromarc, whereas the calamity strikes in multiple regions all at once; it is unknown who exactly took care of each region the hero did not defend, nor if the Heroes actions stopped the waves in other regions.

The hourglass is needed to perform a class-up. Almost all regions, whether it be human-inhabited, Demi-Human-ruled, or a completely uninhabited region, all have this similar Dragon Engraved Hourglasses that can perform the same function. Mostly, they reside within that country's capital or capital itself is built around where the Hourglass resides. That country's government alone decides who will get to class up; not simply anyone is permitted to do so. By using special items, one can modify the class advancement procedure like Fitoria's gift of Ahoge to Filo which doubled all the statuses of Naofumi's party, which was quite rare.

The dragon hourglass can also reset the levels of an individual back to Level 1. It is mostly used on criminals.

But the heroes must sync with said hourglass before they and their associates can be summoned to that country's wave. When registered, the heroes get the display of the time of the calamity. But it doesn't predict the region(s) where the calamity is going to for sure hit.

By the end of the series, all of the Red Dragon hour Glass stopped instantly, indicating the heroes' victory over the wave. It was then expected to be just only be used for a class up.


There are several Red Hourglass of the Dragon’s Era spread throughout the world. Those explicitly described are inside Melromarc's Castle Town's town plaza in the middle of the church, in the underwater submerged temple of Cal Mira Archipelago, in Q'ten Lo, and in the hidden country protected by Fitoria. Fitoria also mentions that there are numerous hourglass across the world and that she manages the region where there is no human settlement.

Melty informs Nafoumi that just like river changing course, the Hourglass will also changes location in a period of centuries.


Naofumi wasn't aware of how the system works at first. He was told about the Dragon Hourglass in Melromarc's church and went there. He got himself unknowingly registered to the Melromarc Hourglass when he actually meant to check for the time of the next wave. Naofumi was under the impression that he will be teleport to the regions where the wave will occurs. But that wasn't the case, as Melromarc's hourglass merely transports heroes to the wave affected region within its jurisdiction. The heroes must register to the hourglass of that particular country to fight the waves. When he was framed for kidnapping Princess Melty, he was worried that even if he ran to another country, he might be teleport back to Melromarc during the time of the next wave and might be arrested, not knowing that he could have easily registering in other country's hourglass.



  • Their origin was a mystery as all the records of it were destroyed or forgotten in the course of time.