Chaos Zero Nightmare Tier List, Best Characters to Use!

The international launch of Chaos Zero Nightmare is almost here, and knowing which characters to prioritize can make a huge difference in your early progression. With so many heroes to choose from, it’s important to focus on those who can carry your team through both the roguelike stages and boss battles. Based on beta testing and recent balance updates, this guide breaks down the strongest units to help you plan your roster efficiently.


Tier List Explanation Chaos Zero Nightmare

To make team-building simpler, characters are divided into four tiers:

  • T0 – Meta-Defining: Must-have units that shape the current meta. Essential for endgame efficiency.
  • T1 – Core Units: Strong and versatile characters that work well in multiple team setups.
  • T2 – Solid Picks: Reliable options that fill specific roles or support your main team.
  • T3 – Niche / Transitional: Situational heroes useful in early stages or specific strategies.

Focus on T0 and T1 units first to build a strong foundation. T2 and T3 units can supplement your team or be used in specialized compositions.


Tier List Chaos Zero Nightmare

T0 – Meta-Defining

  • Mika: AP support/controller; regenerates action points to allow frequent skill usage.
  • Khalipe: Vanguard/frontline; AoE damage plus shields, efficient without extra AP.
  • Mei Lin: Fire-element DPS; applies Elemental Weakness for increased skill damage and Break efficiency.

T1 – Core Units

  • Orlea: Controller/summoner; evolves summons for healing, shielding, or offense.
  • Kayron: Void AoE DPS; excels in dark-element teams using Futility card mechanics.
  • Renoa: Void single-target DPS; generates bullets for extra attacks, ideal for boss fights.
  • Hugo: Order-element sub-DPS; performs follow-up attacks based on allies’ non-attack cards.
  • Veronica: Passion auto-DPS; generates Ballista cards that deal free, consistent damage.
  • Rin: Void hyper-carry; extreme single-target damage when properly supported.

T2 – Solid Picks

  • Cassius
  • Tressa
  • Maribell
  • Beryl

T3 – Niche / Transitional

  • Owen
  • Amir
  • Lucas
  • Luke

Prioritizing T0 and T1 characters will give you the strongest start in Chaos Zero Nightmare, allowing you to maximize damage output and resource efficiency. T2 and T3 units can complement your roster depending on the decks and strategies you prefer. Plan your team carefully, experiment with deck combinations during pre-launch, and get ready for a smooth and powerful start in the game.

Jay: A Content writer for Roonby.com Contact me on Jason@roonby.com, we can't reply to gmail for some reason.

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