Top 15 Strongest Characters in That Time I Got Reincarnated as a Slime (2026 Updated Ranking)

             If you are a fan of That Time I Got Reincarnated as a Slime, you have probably wondered who the strongest character really is. As the story progresses, many characters gain incredible powers through evolution, Ultimate Skills, and intense battles. This makes ranking them quite challenging.

                 In this updated 2026 ranking, we look at the 15 strongest characters based on their overall combat ability, feats shown in the anime and light novels, special abilities, and influence in the series. Keep in mind that power levels can change as the story continues, but this list reflects the latest information available.

15. Geld

                Geld is one of Tempest's most dependable warriors. As the leader of the High Orcs, he possesses amazing physical strength, incredible endurance, and powerful defensive abilities. While he may not match the strongest fighters in raw power, he can survive battles that would defeat most opponents.

14. Shion

           Shion is Rimuru's loyal secretary and one of Tempest's strongest swordswomen. After becoming a Demon Lord follower, her strength increased dramatically. Her Unique and Ultimate Skills allow her to deal devastating damage while surviving extremely dangerous fights.

13. Benimaru

         Benimaru serves as Rimuru's military commander. He combines excellent swordsmanship with destructive flame attacks and sharp tactical thinking. His evolution into a stronger being places him among the elite warriors of Tempest.

12. Diablo

                 Diablo is one of the Primordial Demons and perhaps Rimuru's most loyal subordinate. His experience spans thousands of years, making him a terrifying opponent. His magical abilities, intelligence, and battle experience allow him to defeat enemies with ease.

11. Zegion

              Zegion is often underestimated because he rarely appears in the spotlight. However, he is one of Tempest's strongest guardians. His powerful body, incredible speed, and overwhelming combat abilities make him a nightmare for even high-level opponents.

10. Leon Cromwell

                    Leon is one of the Octagram Demon Lords and a master of holy magic. His balanced fighting style and Ultimate Skill make him one of the most dangerous individuals in the world.

9. Luminous Valentine

                   Luminous rules the Holy Empire and possesses immense magical power. She is exceptionally skilled in both offensive and defensive combat and has centuries of experience that make her extremely difficult to defeat.

8. Milim Nava

                  Milim is known as the Destroyer and is one of the oldest Demon Lords. Her overwhelming physical strength, Dragon heritage, and enormous magical energy make her one of the strongest beings alive. When she becomes serious, very few characters can challenge her.

7. Guy Crimson

          Guy Crimson is the oldest Primordial Demon and one of the most feared Demon Lords. His battle experience, incredible intelligence, and unmatched magical power have earned him legendary status throughout history.

6. Velzard

                Velzard, the White Ice Dragon, possesses extraordinary control over ice and overwhelming magical energy. Her calm personality hides terrifying power capable of freezing entire battlefields.

5. Velgrynd

            Velgrynd is the Scorch Dragon and one of the True Dragons. Her speed, destructive flames, and mastery of Ultimate Skills make her one of the strongest fighters in the series.

4. Veldora Tempest

                 Veldora, the Storm Dragon, is famous for his immense magical power and destructive abilities. After forming a close bond with Rimuru, he became even stronger and learned to fight with greater skill and control.

3. Chloe O'Bell

              Chloe is far more than an ordinary hero. Through complex time-related abilities and incredible evolution, she becomes one of the most powerful characters in the story. Her combination of swordsmanship and unique powers makes her nearly unstoppable.

2. Rimuru Tempest

               Rimuru starts as a simple slime but evolves into one of the most powerful beings in existence. With multiple Ultimate Skills, limitless adaptability, and extraordinary intelligence, Rimuru can overcome almost any challenge. His continuous growth is one of the biggest highlights of the series.

1. Veldanava

             Taking the top spot is Veldanava, the creator of the world. His unimaginable power, divine abilities, and role in shaping existence place him above every other known character in the series. Although much of his story is revealed through the light novels, his influence reaches every corner of the Slime universe.

Final Ranking

1. Veldanava
2. Rimuru Tempest
3. Chloe O'Bell
4. Veldora Tempest
5. Velgrynd
6. Velzard
7. Guy Crimson
8. Milim Nava
9. Luminous Valentine
10. Leon Cromwell
11. Zegion
12. Diablo
13. Benimaru
14. Shion
15. Geld

Final Thoughts

                 That Time I Got Reincarnated as a Slime is packed with incredibly powerful characters, and every new volume introduces even stronger abilities and exciting battles. While fans may disagree with certain rankings, that is part of what makes discussing the series so enjoyable.

                     Who do you think deserves the number one spot? Share your own ranking in the comments below! If you enjoyed this article, don't forget to share it with your friends on social media and subscribe to our blog for more anime rankings, character analyses, and the latest updates from the world of anime.