It takes 15 off the chance of every ailment a skill tries to give the Nexomon wearing it, as the Status effects page explains.

A Nexomon wears up to four cores, which you fit from the team menu. Fitting one uses it up from your bag, and cores of the same kind add up.

Grades

Grades
Immunity Core (I) 5Thunder Shard 2, Mind Shard 1, Phantom Shard 1
Immunity Core (II) 10Tempest Shard 1, Thunder Shard 4, Mind Shard 2, Phantom Shard 2
Immunity Core (III) 15Tempest Shard 4, Thunder Shard 6, Mind Shard 3, Phantom Shard 4
Immunity Core (MAX) 22Tempest Shard 12, Thunder Shard 18, Mind Shard 9, Phantom Shard 12

Other ways to get it

History

Changes to this item across game updates.

  1. Changed Build 8790708 Jun 13, 2022
    • Grades
      • +Immunity Core (MAX) · 22 · 12, 18, 9, 12
  2. First recorded Build 5449119 Aug 23, 2020

Other languages: Noyau d'Immunité (III)Immunitäts-Kern (III)Nucleo dell'Immunità (III)Núcleo de Inmunidad (III)Núcleo de Imunidade (III)Ядро иммунитета (III)免疫コア (III)Immunity Core (III)免疫核心(iii)

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