As the title suggests, That Time I Got Reincarnated as a Slime is a story about the protagonist who dies and is reincarnated as a slime. As he wanders around not knowing what to do, the Storm Dragon Veldora approaches him and speaks to him. At that moment, Veldora shouts out, "There are only four dragon species in the world." What exactly are these four dragon species? We'll introduce them in detail.
[That Time I Got Reincarnated as a Slime] The Youngest Dragon, Storm Dragon Veldora
Sealing and Analysis
Source: That Time I Got Reincarnated as a Slime © Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
Veldora, the youngest dragon, has always been prone to rampage. His older sisters would scold him if he played too much, which is why he doesn't like them. When he first appears in this work, he has been sealed away by the hero, and Rimuru preys on him in order to analyze the skill used to seal him, called Infinite Prison. It was Veldora who gave him the name Rimuru Tempest. Later, after Rimuru becomes an awakened demon lord, the analysis is completed and Veldora is revived. Now able to take on a human form, Veldora continues to act alongside Rimuru.
Inside Rimuru
Source: That Time I Got Reincarnated as a Slime ©Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
After being consumed by Rimuru, Veldora was inside Rimuru from the time his analysis was completed until his revival. What on earth was he doing? In fact, when Rimuru ran out of magical energy for naming, he used Veldora's. Veldora also devouring the sacred texts (manga) sleeping within Rimuru, and the resurrected Veldora sometimes utters words that seem to be influenced by the manga. This is true for Rimuru as well.
Relationship with Demon Lord Luminous Valentine
Source: That Time I Got Reincarnated as a Slime © Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
Long ago, Veldora destroyed a vampire kingdom. Because of this, the vampire demon lord Luminous Valentine did not think highly of Veldora. While planning to apologize to Ruminas someday, Veldora accidentally blurted out in front of everyone that Ruminas was the demon lord. While his relationship with Luminas was not repaired, Veldora came to the aid of Shion and Luminas during the final battle.
[That Time I Got Reincarnated as a Slime] The Primordial and Strongest Dragon Species: Star King Dragon Veltanava
The Dragon Species that Created the Demon Lord
Guy, who prided himself on being the strongest at the time, challenged Veltanava, said to be the oldest and strongest. Veltanava brushed him off, but he became friends with Guy and made him a request. He wanted him to reign as a threat as a demon lord and fulfill his role as a mediator, so that humans would not become arrogant. With that promise, Guy became the oldest demon lord.
Marriage and Taboo
Source: That Time I Got Reincarnated as a Slime ©Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
Veltanava fell in love with Lucia, the younger sister of the hero Rudra, and the couple had a child. That child was Milim. However, Veltanava's lifespan was shortened, and he ultimately died as a human. Veldanava changed his name to Velda Nava and lived out his life as a human. Milim Nava's Nava name was inherited from now on. Also, from this point on, it became taboo for dragon species to have children.
[That Time I Got Reincarnated as a Slime] The Ice Dragon Velzard, a Dragon Species in Love with Guy
Confession and Response
Source: That Time I Got Reincarnated as a Slime © Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
The Ice Empress Velzard works alongside the Demon Lord Guy, a friend of Veltanava. Guy is a hermaphrodite, but Velzard was deeply in love with him. He confessed his feelings to her at the festival of the final battle. In response to Velzard's confession, Guy replied, "I knew it," without a yes or no. As he was friends with Veldanava, perhaps he was concerned that conceiving a child would shorten her lifespan, or perhaps he simply had no interest. We don't know, but even after the final battle, the two of them returned home together.
Jealousy and Shion's Awakening
Source: That Time I Got Reincarnated as a Slime ©Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
During the final battle, Velzard watches Chloe and Guy's fight. Seeing Guy having fun during their fight makes her deeply jealous. This leads to her acquiring the King of Jealousy. When Velzard obtained the Envious King, the jealousy element that Shion possessed disappeared. As a result, Shion awakened and was able to obtain the Tyrant King. At the time, Shion was in the middle of a battle with Dagruel. Incidentally, Velgrind said that Velzard has the second largest amount of magical energy after Veldanava.
[That Time I Got Reincarnated as a Slime] Rudra and the Scorching Dragon Velgrind
The Game and Rudra
Source: That Time I Got Reincarnated as a Slime © Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
Back in the day, the hero Rudra made a bet with the Demon King Guy in a game. The bet was to compete for world domination using only their own pieces. Rudra believed there was no need for a mediator. Guy traveled with Velzard, while Velgrind, Velzard's sister and Veldora's older sister, currently traveled with Emperor Rudra. Emperor Rudra has been significantly weakened by repeated reincarnations of the hero Rudra.
Trying to draw Veldora in
Veldra sensed that Velzard was arriving in Tempest with Guy and fled outside. At that moment, he encountered Rudra's group in progress. Believing that she could win the game by drawing Veldora to Rudrano's side, Velgrind launched an attack on Veldora. Ultimately, Rimuru joined the battle and saved Veldora, but he negotiated with Velgrind and agreed to cooperate on the condition that she save Rudra from the cycle of reincarnation.
[That Time I Got Reincarnated as a Slime] The True Dragon Born: Veldora's Younger Brother, Velgaia
Source: That Time I Got Reincarnated as a Slime © Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
In fact, this dragon is a guardian dragon given by Veldanava to his daughter, Milim. This dragon was the catalyst for Milim's transformation into the Demon Lord, and ultimately turned into a Chaos Dragon and was sealed away. Yuuki broke the seal, and the Demon Lord Leon, who was defeating the Chaos Dragon at the time, killed it. However, when Luminous asked him, he learned that it was possible to revive it, and that it was even possible to revive it with the soul it had before it became a Chaos Dragon. The revived dragon then becomes Velgaia.
【That Time I Got Reincarnated as a Slime】Dragon Species Summary
Source: That Time I Got Reincarnated as a Slime ©Taiki Kawakami, Fuse, Kodansha / TenSura Production Committee
Veldora became a friend early in the story, and I was really looking forward to seeing when the ruins would end. It's fun to watch Veldora's exploits after his safe return and his relationship with his sister. The scene where Veldora, Velgrind, and Velzard gather together is also a must-see. Thank you for today.
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Original Novel

Manga Version
