Big Pirachus (ビッグワレチュー, Biggu Warechū) are one of the many enemies in the Hyperdimension Neptunia Series. They're giant bipedal purple rats with a heart symbol in their chest and at the end of their tail.


Big Pirachus are Risky Bosses, as such, they won't actively pursue the player.


Big Pirachus have 5 skills:

  • Mega Slash (0 SP)
  • Circle Slash (250 SP)
  • Paralyze AttackMk2 Paralysis.png (80 SP)
  • EX High Impulse (200 SP)
  • PiratickerMk2 Poison.png/Mk2 Virus.png/Mk2 Skillseal.png/Mk2 Paralysis.png (750 SP)

Attack Patterns

Above 50% HP

Big Pirachus' main skills are Mega Slash and Paralyze Attack. Occasionally they use EX High Impulse, and, in rare cases, Circle Slash or Piraticker. They can't run out of SP due to their high SP regeneration.

Below 50% HP

When Big Pirachus' HP go below 50%, the odds of them using EX High Impulse increase, while the ones of them using Piraticker increase greatly.


     Big Pirachus don't have direct partners.


Related Enemies

Same Skin & Model

Same Model



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