The geography and climate of the realm has been shown to be heavily wooded with Dark Elf towns, villages and castles doting across the green rolling landscape. They have been shown to live both above ground in castles and underground in large caverns. The Dark Elves have their own portals that grants them access to the other Nine Worlds including Midgard.
The Dark Elves due to their apearance have often been treated badly by the races of the nine realms and are now generally more hostile to outsiders. Various leaders have embarked on schemes of conquest several times.
Many such as Malekith the Accursed has tried and failed to unite his people and its various waring factions. The current ruler is Queen Alflyse of the Eastern Spires. She too has had plans of conquest, but generally cares more for her people than Malekith and tries to avoid the suffering he caused.
Years later, he was broken out of Hel by a group of Dark Elves loyal to him and returned to Svartalfheim with only one of them, Scumtounge, surviving, however, after seeing that his people has grown weak and won't accept him as their ruler, he and his followers began hunting the other Dark Elves to make them strong again, starting in a village in Svartalfheim, they massacrated all Dark Elves except for the woman Waziria. Thor and the Warriors Three arrived in the village, and Malekith told them his intensions of killing all Dark Elves who won't follow him and cutted Waziria's arm before leaving. He began his rebellion in Svartalheim, locking for Queen Alfyse, he eventually track her down to Nidavellir where she was hiding with the Dwarfs, he attacked their fortress and eventually killed her, turning the Dark Elves into a state of chaos, Civil War and greater division than before. He began hunting and killing Dark Elves refugges in all Realms, while attacking a refugges camp inMountain Giants territory in Jotunheim, he was confronted by the League of Realms which included Thor and Waziria, however, he was prepeared for them and manage to kill Oggy the Giant. Thor almost killed Malekith until he revealed they were now on Fost Giant territory and called upon his allies the Frost Giants. Since it would meen an act of war, the League could not enter the Frost Giant territories, after which Malekith and his men left with them. He then showed up on Earth were the Council of the Unhallowed, a council of all tribal leaders of the Dark Elves come together to discuse Malekith's attacks. Using a parasite inside Thor, which he had used to track the League, he made him attack Waziria. After it came out, he battle him and the League of Realms, but before Thor could kill Malekith, the council intervened and declared that they have decided to unite their people and thay they choose Malekith as their ruler, which outraged Thor. When the ceremony was held, Frigga told Malekith that he still needed to serve his sentence for his crimes, but Waziria, knowing that the Dark Elves will most likely fight without a ruler, volunteered to serve it for him since that way there will be less bloodshed. Malekith then names Scumtounge his senator in the congress of worlds. Later, on Muspelheim he and a Frost Giant made their way to speak to the Fire Demons about a League of their own. 
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