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Alteisen

An armored train taken over by Raptures. Destroy the missile pods and turrets in order and stop the main cannon interruption.

Tyrant classElementWindWeaknessFire Code

Based on the standard code. Solo Raid Season 4 featured a Water code variant.

Where it appears

  • StoryMain story 13-15Also appears in Hard campaign 13-15 and the first EX stage.
  • InterceptionFixed boss of Interception Level DUnlocks after clearing campaign 3-9.
  • Interception1st boss in the Special Interception rotation
  • Solo RaidSolo Raid Season 4 (August 2023, Water code variant)
  • Solo RaidSolo Raid Museum Hall 2

Mechanics and counters

  • Missile pods

    Pattern
    Fires missiles from its left and right missile pods. The green missiles in Special Interception can't be shot down.
    Counter
    Right from the start, focus fire on the right missile pod from range. Dodge green missiles by timing your cover, or take them with invincibility or taunt.

  • Turret rage

    Pattern
    If you destroy only one of the paired turrets first, the remaining turret's ATK doubles.
    Counter
    Bring one close to breaking, then finish it the moment the firing starts. Wearing both down evenly is safer.

  • Main cannon interruption

    Pattern
    Once all parts are destroyed, the main cannon charges up. If you can't break the interruption circle, the whole squad takes heavy damage.
    Counter
    The circle only takes damage once the charge has progressed a bit. Save your Burst and time it to the circle.

  • Phase 2 charge

    Pattern
    Below half HP, it drops its main cannon and rear section and alternates missile barrages with charges. Failing the interruption sends even your cover flying.
    Counter
    Hit the interruption circle first, then the missiles, and the body last. Clearing the missiles at once with an AoE Burst makes it easier.

Recommended Nikkes and teams

Solo Raid Fire team

Grave and Alice's piercing shots target the turrets and core, while Rei and Modernia keep up steady Fire damage. Liter handles cooldown reduction and buffs.

Based on 2025-12 sources

Solo Raid Museum Electric team

A single Ada burst can destroy several turrets at once. Takina adds a fixed-damage buff and Ein adds Electric damage.

Based on 2026-03 sources

Recommendations may change as new Nikkes are released. Each team notes when its source was published.

Tribe Tower teams

Each Tribe Tower only allows Nikkes from that manufacturer. The Pilgrim/Overspec tower also allows Overspec Nikkes.

Missilis

A Missilis team where Laplace and Neon: Vision Eye deal damage while Flora and Centi keep the team alive.

No boss-specific source was found, so this is a team commonly used in this tower.

Based on 2026-10 sources

Tetra

The standard Tetra core: Anis: Star handles cooldown and Burst gauge, Prika and Mint buff, and Alice deals piercing damage.

No boss-specific source was found, so this is a team commonly used in this tower.

Based on 2026-09 sources

Good to know

  • Landscape mode is a big advantage. In portrait, the parts are hard to see.
  • Widely considered the hardest of the five Special Interception bosses.

Raid seasons

Co-op OperationCo-op OperationFri 7/31/2026 12:00 KST – Sun 8/2 23:59 KSTCo-op OperationCo-op OperationFri 5/8/2026 12:00 KST – Sun 5/10 23:59 KSTSolo RaidSolo Raid Season 32Thu 12/11/2025 12:00 KST – Thu 12/18 04:59 KST

Guide videos

As of 2026-10-26

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