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About Requiem: Desiderium Mortis
Requiem: Desiderium Mortis is a free‑to‑play massively multiplayer online role‑playing game set in the bleak world of Ethergia, scarred by the catastrophic "Thanatos Incident." Players forge their own biological weapons, called Temperions, to survive the darkness that threatens the remnants of civilization.
The game offers both PvP and PvE servers, four distinct races with unique classes, and the chance to ally with factions such as the Fenrir Canine and the Holy Xenon Empire. Exploration spans locations like Nova Lux’s streets and the desolate wastes of Numaren, with day and night cycles adding atmosphere.
01 / THE GUIDE
Server Types
Players can select either PvP or PvE servers, allowing them to tailor the experience toward competitive combat or cooperative adventure. This choice determines the primary focus of player interaction within the world.
Both server types share the same core content, including races, classes, and the Temperion system, ensuring that the narrative and exploration remain consistent regardless of the chosen mode.
- Consider trying a PvE server first to learn the Temperion mechanics before entering PvP combat.
- If you want a different style of play, consider trying the other server type as well.
02 / THE GUIDE
Races and Classes
Four distinct races are available, each providing its own set of classes. This diversity lets players select a race that matches their preferred playstyle and aesthetic.
Each race’s classes are designed to complement the Temperion system, offering varied approaches to combat and exploration across Ethergia.
- Review the class descriptions for each race to find a synergy with your Temperion design.
- Experiment with different race‑class combos to discover unique combat feels.

03 / THE GUIDE
Temperion Creation
The core gameplay loop revolves around creating a Temperion, a biological weapon that players can customize. This weapon is used to confront enemies with graphic detail, emphasizing the game's dark tone.
Creating a Temperion lets players forge their own biological weapon, expressing personal style while battling the darkness.
- Focus on a single Temperion design early to master its strengths before diversifying.
- Observe how different Temperion builds affect combat flow in both PvP and PvE.
04 / THE GUIDE
Faction Alliances
Players may fight alongside the Fenrir Canine and the Holy Xenon Empire, two major factions opposing the encroaching darkness. Aligning with these groups shapes narrative encounters and combat scenarios.
These alliances provide thematic context for battles and missions throughout Ethergia.
- Join a faction that matches your preferred combat style for more immersive role‑play.
- Track faction‑related events to experience unique story moments.
05 / THE GUIDE
World Exploration
Ethergia’s landscape includes the bustling streets of Nova Lux and the barren wastes of Numaren. Players can traverse these areas during daylight or the “nightmare hours,” each offering distinct visual atmospheres.
Exploration lets players traverse the varied environments and encounter both allies and foes across Ethergia.
- Visit each major location at different times of day to notice environmental changes.
- Use exploration as an opportunity to test Temperion abilities in diverse settings.





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