Summary

  • The anime features powerful magic spells, such as Meggido and Disintegration, with unique applications and limitations.
  • Spells like Drago Nova and Nuclear Flame have immense destructive capabilities, requiring caution in their use to avoid large-scale destruction.
  • Dark magic spells like Nihilistic Banish and Death Streak are formidable, causing disintegration and death with limited range and counteracting methods.

Considered one of the most successful and popular anime of the Isekai genre, That Time I Got Reincarnated as a Slime is a fan favorite that has spanned multiple media formats like light novels, manga, and now a three-season anime. That Time I Got Reincarnated as a Slime hosts an amazing world with many familiar elements of the fantasy trope. The anime follows Rimuru Tempest, a slime who lives in the Central World, as he navigates his new existence as a reincarnation faced with the challenge of forming a haven for monsters with the aid of his Jura Tempest Federation.

That Time I Got Reincarnated as a Slime: 6 Biggest Threats to Jura Tempest
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The anime’s combat and overall progression are facilitated by magic, which appears in many types, shapes, and forms. Magic works based on ideas and how they obey magical laws and principles within that world. The anime is home to some of the most powerful magic seen in anime, and the potency of the abilities depends on the spellcaster, their magical input and output, their mana, and other variables. Some spells are considered powerful not necessarily because of their power output or destructive abilities but because of the technicalities of their applications and how hard they are to pull off.

7 Meggido

The Fury Of The Gods

Megiddo in That Time I Got Reincarnated as a Slime
  • Current User: Rimuru Tempest

Meggido is a complex spell created by Rimuru to harvest numerous souls for the harvest festival. The spell is a new type of magic called Physics Magic that has a purely physical power output. This means that the magic doesn’t interact with or affect magicules, which in turn makes it unblockable by magical barriers.

The spell shapes large water droplets as convex lenses to concentrate sun rays into very thin, high-degree heat beams. Smaller water droplets are then used as reflective surfaces to bounce off these beams at high speed. The spell’s main weakness is that it can only be used when the sun is up, but it deals devastating damage, especially to hordes of enemies when used.

6 Disintegration

Spirit Particle Decay

Disintegration in That Time I Got Reincarnated as a Slime
  • Current Users: Adalmann, Diablo, Hinata Sakaguchi, Leon Cromwell, Luminous, Valentine, Masayuki Rudra Nam Ul Nasca, Nikolaus Spertus, Rimuru Tempest, Saare, Shuna

This spell is a type of Holy magic and is considered the strongest offensive Holy magic spell in That Time I Got Reincarnated as a Slime. Disintegration is a powerful attack that causes spiriton decay to anything within the casting circle and instantly eliminates the particles and souls of anything within that range.

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The spell’s powerful effect is severely restricted by its range of attack. This limits its application to smaller monsters, as it cannot be used on larger monsters like True Dragons or Charybdis due to their enormous size, but variations of the spell, like Sanctuary or Trinity Disintegration, are the exception.

5 Drago Nova

Dragon Star Explosion Supreme

Drago Nova in That Time I Got Reincarnated as a Slime
  • Current User: Milim Nava

This potent spell, created by Milim Nava, is a type of star magic that utilizes the power of the Star King Dragon Veldanava. The spell requires a powerful substance called stardust to cast rather than the magicules required for most other magic spells. The caster channels stardust in their palms and releases an unfathomable beam of energy that is capable of destroying any barrier.

If left unchecked, the spell’s raw destructive power will swiftly destroy any terrain and can obliterate the Central World. The spell’s power is so great that its output has to be heavily limited so as not to cause indiscriminate destruction on a large scale. Other variations of the spell, like Drago Buster, are of a smaller scale but still considerably powerful, capable of destroying Charybdis.

4 Nuclear Flame

Flame Of Doom

Nuclear Flame in That Time I Got Reincarnated as a Slime
  • Current User(s): Carrera, Rimuru Tempest, Ultima

This spell is an enormously potent nuclear magic spell. Like other spells classified as nuclear magic, it requires sufficient preparation or cast time, depending on whom the casters are. This ability creates a thermonuclear explosion that is potent enough to envelop and destroy a very large area with a fiery explosion.

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Lacua used this ability against Rimuru during an attempted assassination but was ultimately countered. Had Rimuru not intervened and blocked this attack, the ability would have caused untold destruction.

3 Nihilistic Banish

Dark Magic Disintegration

Nihilistic Banish in That Time I Got Reincarnated as a Slime
  • Current Users: Gadra, Ultima

Nihilistic Banish is a dark magic spell that functions similarly to the Holy Magic spell Disintegration. This spell, unlike Disintegration, summons magic from the Daemon realm and erases a target, just like its Holy magic counterpart. The spell has a small range of effect and isn’t suited to be used on large targets.

A variation of the spell called Nihilistic Parade boasts a much larger range of effects than the base Nihilistic Banish and can affect a large area of a battlefield or other terrain. This ability has only two known users in the entirety of That Time I Got Reincarnated as a Slime.

2 Death Streak

Blessing Of Death

Death Streak in That Time I Got Reincarnated as a Slime
  • Current Users: Guy Crimson, Testarossa, Ultima

Death Streak is an extremely strong nuclear magic spell that disintegrates and rewrites genes by applying dark light radiation. The radiation bypasses both physical and magical barriers and targets the information that constitutes the makeup of the individual it is cast on, causing death. The spell causes its victim to rapidly decay and disintegrate, resulting in their soul being destroyed.

This spell, although powerful, can be countered by applying an equal amount of dark light. Additionally, except for spiritual light forms, the spell is almost one hundred percent guaranteed to kill the victim of its cast.

1 Abyss Annihilation

Terminal Decay Annihilation

Rimuru’s Ability in That Time I Got Reincarnated as a Slime
  • Current Users: Carrera, Rimuru

Abyss Annihilation is the strongest form of nuclear magic and utilizes dark magic from the Daemon realm to create a devastating explosion capable of tearing dimensions. The spell functions by siphoning minus energy from the daemon realm and utilizes gravity collapse, which is similar to a black hole.

The spell’s raw potency makes it a world-ending ability that must be carefully handled, or it could cause the world or even a star to get destroyed.

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That Time I Got Reincarnated as a Slime TV Series Poster
That Time I Got Reincarnated as a Slime
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Release Date
October 5, 2018
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Studio
8bit
Creator
Fuse
Number of Episodes
72
Streaming Service(s)
Crunchyroll