The Dark Kingdom was the villians of the first manga arc. Their goal was to collect energy and get the Mystical Silver Crystal to revive Metallia.

Jadeite-Jadeite first appears in act 2. He was the commander of the Far Eastern division. In act 3, Beryl warns him that he's failed twice and that he has one last chance. He takes commander of a bus, taking the passengers hostage. Usagi boards the bus and confronts him. Jadeite is destroyed when Rei awakens as Sailormars and uses her "Evil Spirit Begone" to kill her.

Nephrite--Nephrite first appears in act 2, talking to Jadeite. In act 4 he targets Princess D, thinking she might have the silver crystal. He sends an evil spirit to possess her. He is defeated when Moon uses her "Moon Twilight Flash" to unpossess the princess. In act 5 eh awakens a ghost bride to steal energy. Jupiter destroys the ghost bride and kills Nephrite with her "Flower Hurricane" and a bolt of lightning.

Zoicite-Zoicite first appears in act 2 when he is shown talking to Queen Beryl. In act 5, after Nephrite has died, Kunzite tells him he'll have to use his head or he'll injure the name of the four generals. In act 6 he tells Beryl that he, the head of the European division, will get the Mystical Silver Crystal. He goes on television as Professor Izono and hypnotizes the audience, telling them to find the crystal. When they fail, he drains everyone energy. Mars, Jupiter, and Mercury confront him at the television station and he flees. In act 7 he sets up the Rental Dark Shop, that sells brainwashing videos. Moon heals everyone with her "Moon Healing Escalation" angering Zoicite. Moon throws her tiara but he dodges it and comes up behind her. He forms an energy barrier around them and plans to stab her. A cresent bommerang comes and cuts him blade in two, and then stabs him through the back, destroying him.

Kunzite-Kunzite appears throughout the different acts but finally does something in act 8. He is the commander of the Middle East. He goes to the Tokyo Tower and cuts off the power supply for Tokyo, setting a trap for the senshi. They confront him at the tower, but he easily blasts energy at them. Moon sends the others away and Kunzite prepares to blast her but Tuxedo Kamen jumps in front of her. This awakens Princess Serenity and the crystal. Kunzite remembers when he and the others were generals for Prince Endymion. He takes Endymion's body to the Dark Kingdom. Beryl rebrainwashes him and he goes to Tokyo, freezing the city. He is killed by "Sailor Planet Attack"

Endymion-In act 8 Kunzite takes Prince Endymion to the Dark Kingdom. In act 10, he is awoken as Queen Beryl's puppet. He comes to Earth and poses at Motoki's best friend, Endou. He gets Makoto under his influence and has her bring them into the command center. He gets the silver crystal from Usagi and kidnaps Sailorvenus, taking her to the Dark Kingdom. The others follow, and he blasts them with power. Having no other choice, Usagi stabs him with the Sword of the Moon, then stabs herself. They awkaen inside of the crystal and Endymion has returned to his normal self.

Queen Beryl-Queen Beryl in the one in charge of the four generals, giving them orders and whatnot. In act 11, she finally comes up to Earth and confronts the senshi in the command center. She strangles Usagi with her hair, demanding to know the power of the Mystical Silver Crystal. She is killed by Sailorvenus when she uses her Sword of the Moon to slice through her

Metallia-She is the shapeless mass of energy Beryl is shown talking to. In act 11 she awakens fully and swallows the Mystical Silver Crystal. In act 12, Usagi and Mamoru awkaen inside of her. The spirit of Kuznite appears and tells them to aim at the forehead mark on Metallia, because it is her heart. Usagi uses all of her strength and finally kills Metallia for good.