Who Is The Strongest Character in That Time I Got Reincarnated as a Slime? (2026)
Full breakdown of the strongest That Time I Got Reincarnated as a Slime character — Rimuru (Demon Lord) — and the complete power ranking.
The strongest character in That Time I Got Reincarnated as a Slime is Rimuru (Demon Lord). After awakening as a True Demon Lord, Rimuru's power becomes effectively limitless. Predator evolves to Gluttony — capable of consuming concepts.
Why Rimuru (Demon Lord) Is The Strongest
After awakening as a True Demon Lord, Rimuru's power becomes effectively limitless. Predator evolves to Gluttony — capable of consuming concepts. Their power (True Demon Lord / Gluttony) places them above every other character in That Time I Got Reincarnated as a Slime at peak performance.
Top 5 Strongest That Time I Got Reincarnated as a Slime Characters
- 1
Rimuru (Demon Lord)
After awakening as a True Demon Lord, Rimuru's power becomes effectively limitless. Predator evolves to Gluttony — capable of consuming concepts.
True Demon Lord / Gluttony - 2
Veldora Tempest
Storm Dragon. One of four True Dragons — the most powerful natural beings in the world. Rimuru's best friend.
True Dragon / Storm - 3
Guy Crimson
The oldest and most powerful Demon Lord. Crimson-ranked — has never been definitively defeated.
Demon Lord / Primordial Red - 4
Milim Nava
Dragonoid Demon Lord and daughter of a True Dragon. Destruction on a continental scale. Friendly with Rimuru.
Dragonoid / Cataclysm - 5
Diablo
Primordial demon who serves Rimuru. One of the original seven primordials. Manipulation and contract magic.
Primordial Black
Full That Time I Got Reincarnated as a Slime Tier List
- 1
Rimuru (Demon Lord)
After awakening as a True Demon Lord, Rimuru's power becomes effectively limitless. Predator evolves to Gluttony — capable of consuming concepts.
True Demon Lord / Gluttony - 2
Veldora Tempest
Storm Dragon. One of four True Dragons — the most powerful natural beings in the world. Rimuru's best friend.
True Dragon / Storm - 3
Guy Crimson
The oldest and most powerful Demon Lord. Crimson-ranked — has never been definitively defeated.
Demon Lord / Primordial Red - 4
Milim Nava
Dragonoid Demon Lord and daughter of a True Dragon. Destruction on a continental scale. Friendly with Rimuru.
Dragonoid / Cataclysm - 5
Diablo
Primordial demon who serves Rimuru. One of the original seven primordials. Manipulation and contract magic.
Primordial Black - 6
Benimaru
Rimuru's general. Oni who awakened as a Flame Giant. Strongest fighter in Tempest's military.
Flame Giant - 7
Shion
Rimuru's secretary. Oni who evolved into a Saint. Carries a sword that changes probability to guarantee her hits.
Probability Alteration - 8
Souei
Shadow Rimuru. Controls a global spy network and deploys from shadows.
Shadow Manipulation - 9
Shuna
Holy magic specialization. Rimuru's adopted sister figure.
Holy Magic - 10
Gobta
Somehow consistently survives through luck and Rimuru's instruction.
Riding / Hobgoblin
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