For other ISO-8 cards, see ISO-8 (disambiguation).

[Level Up] ISO-8

Rarity Rare
Power Requirement 999
Sale Price 100
Maximum Card Level 1
Maximum Mastery Level 0
Quote Use this new found element Isotope-8 (ISO-8) to level up your cards.
Attack Defense
[Level Up] ISO-8
Base 50 50
Maximum 50 50
Mastery Bonus 0 0
General Information
Alignment Bruiser
Gender None
Faction Super Hero
First Release Date Unknown


  • When used as a booster card provides a flat 300 card XP regardless of the level of the card being boosted.

Start a Discussion Discussions about Level Up ISO-8

  • Level Up Iso-8

    2 messages
    • Why is there a fourth star as if you can fuse to Iso-8 cards? I tried to fuse but they do not show up on the fuse page?
    • No fuse options on these. Just use them for boosting(SSR rarity & up) also don't start using them till you hit the mid 40s of levels

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