Every rating here comes from documented feats — what a character has actually been shown to do, not where fans rank them. This one is still being worked through, so powers, brackets and rankings will move as that research continues.
If a verdict looks wrong, flag it. That is how most corrections start.
This character hasn't been fully mapped yet, so treat what's below as a work in progress rather than a finished verdict — abilities still being mapped, no weaknesses recorded, no written profile. Ratings and abilities change as data is added.
Rating is a score, not a position — it rises by beating strong opponents and barely moves for beating weak ones.
These entries record encounters, feats and other events from the character's stories. Read each outcome with its version, sources and condition tags. Arena verdicts use the selected versions and matchup rules; a story result does not determine an arena result. This panel is for reference and does not feed the engine. The record is still being expanded.
Contains story spoilers.
Velgrynd is taken into Rimuru's internal space, alive; Rimuru defeats her and frees Veldora (ciatr: 転スラ 最終回までネタバレあらすじ解説 (佐藤D, updated 15 Sep 2026)).
The audit records reorganized abilities.
Narration, not a demonstration
Imaginary Blade fails against Feldway’s protection.
Rimuru touches and consumes Michael.
Help: Chloe intervened while he was frozen in stopped time
Ciel supplies energy for Benimaru’s attack.
Chrono-Saltation removes Rimuru; awareness blacks out.
Rimuru awakens alive at the destination.
Ciel explains Time Warp and identifies linked destination coordinates.
Statement by Ciel, not a demonstration
Vol. 23 opens with Rimuru already back and Tempest buoyed by his return.
A report describes attack absorption and Void Slash.
Shiren: main-story conclusion review reports Rimuru could still heal and fight without Ciel; Reddit: Summary of the latest volume reportedly ties the healing to Benimaru (Reddit: Summary of the latest volume not verifiable by this check).
Rimuru defeats Luvelgé: his final blow 虚崩朧・千変万華 sends it into imaginary space and annihilates it completely (ciatr: 転スラ 最終回までネタバレあらすじ解説 (佐藤D, updated 15 Sep 2026), ciatr: 「転スラ」ルヴェルジェは最強ラスボス? (なかむらじん, updated 18 Sep 2026)); the sword is named 「希…
Decisive action: Rimuru, imaginary-space finisher with the dragon-core sword · Rimuru Tempest’s part: isolated Luvelgé's world-ending blast and dealt the final blow
Reports describe historical-world travel and restoration.
Rimuru saves Feldway, who regains his old heart as leader of the Seven Angels of Origin and becomes Rimuru's devoted follower (Shiren: main-story conclusion review).
Rimuru evolves Benimaru into a Supreme Holy Demonic Spirit; Benimaru returns to Tempest's three strongest (Shiren: main-story conclusion review).
Rimuru forms clothing with Matter Creation.
Hinata ambushes Rimuru on his way home and overwhelms him; his consciousness cuts out (Japanese Wikipedia: 転生したらスライムだった件); secondary summary says he survives by sacrificing a replicated body (Tempest Archive: Hinata's Anti-Magic Barrier).
Rimuru one-sidedly massacres the 20,000-strong Falmuth army for the souls his awakening needs; on completing the Demon Lord evolution, dead Tempest citizens including Shion are revived and his followers evolve (Japanese Wikipedia: 転生したらスライムだった件, Tensura Wiki: Harvest Festival).
Shion fights Clayman and severely wounds him; after a last-minute pseudo-awakening, Clayman is defeated by Rimuru and completely annihilated (Japanese Wikipedia: 転生したらスライムだった件, ciatr: 転スラ 最終回までネタバレあらすじ解説 (佐藤D, updated 15 Sep 2026), Tensura Wiki: Clayman).
Help: Shion severely wounded Clayman first
Hinata loses the one-on-one duel to Rimuru; at the end of the fight she shields Rimuru from the Seven Days' trap and is gravely injured (Japanese Wikipedia: 転生したらスライムだった件, ciatr: 転スラ 最終回までネタバレあらすじ解説 (佐藤D, updated 15 Sep 2026)).
Rimuru appears before the rampaging Milim; as a result she regains her sanity and the war turns (ciatr: 転スラ 最終回までネタバレあらすじ解説 (佐藤D, updated 15 Sep 2026)).
Tags describe recorded circumstances. They do not establish that the outcome depended on those circumstances, and an untagged entry does not guarantee equal conditions. Wins and losses include team encounters where indicated. Counts cover the entries listed here, not the character's complete fight history.
Ultimate Slime: his final version at the end of the light novels