Chaos Zero Nightmare Tier List 2025 October: Best Characters to Build

Wanna learn about the best Chaos Zero Nightmare characters to reroll for? Then it is time to pick the right ones for your team, and our Chaos Zero Nightmare tier list here will show you which ones to prioritize on pulls. Here we will break down all key characters by tier, highlighting their role, class, and practical gameplay impact, so let’s get started.

All Characters in the Chaos Zero Nightmare Tier List Ranked

Since we are talking about which characters to prioritize and which ones to drop, we have categorized them by four ranks as follows:

S-Tier Characters: Best Picks for Dominating Every Mode

S-tier Combatants are versatile options from the Chaos Zero Nightmare tier list. They are self-sufficient, and capable of carrying teams through tough content. And yes, these are your best options for the Chaos Zero Nightmare reroll tier list as they are worth investing resources into early.

Khalipe
Rarity	⭐⭐⭐⭐⭐ (5-Star)
Class / Role	Instinct Vanguard (Tank / AoE DPS)
Strengths	You can use Khalipe as a tank who also deals area damage. Her "Vulture Launch" hits multiple enemies and comes back to your hand when you use high-cost cards. She also restores your team’s AP with Tenacity breaks, making her great for long fights.
Weaknesses	High-cost cards can drain AP if you don’t have support. Focus on gear that boosts defense and AP recovery. Use Celestial cards for auto-triggers. Works best with AP regenerators like Mika to keep shields and damage going.

Mei Lin
Rarity	⭐⭐⭐⭐⭐ (5-Star)
Class / Role	Passion Striker
Strengths	Mei Lin hits hard on single targets and applies Passion Weakness early. Her low-cost cards help you chain bursts and refund AP when you break enemies.
Weaknesses	Not very strong against many enemies at once. Equip attack speed and elemental damage gear. Upgrade cards that keep effects active for continuous bursts. She works well with Passion teams, like pairing with Selena for stacking weaknesses, and Mika for AP support.

Rin
Rarity	⭐⭐⭐⭐⭐ (5-Star)
Class / Role	Void Striker
Strengths	Rin excels at dealing massive damage to bosses. Her "Dark Cloud" stance boosts damage and zero-cost cards let you chain attacks without spending AP.
Weaknesses	Allies using attack cards can break her stance, so you need support-heavy teams. Equip gear that helps maintain stance and draw low-cost cards. Pair with pure supports like Rei and Nia to keep her stance and buff output.

Cassius
Rarity	⭐⭐⭐⭐ (4-Star)
Class / Role	Instinct Controller
Strengths	Cassius supports by manipulating cards, drawing and shuffling to get the right ones. His Ultimate can grab key cards when you need them.
Weaknesses	RNG in draws can be frustrating. Use gear that speeds up quests to get free draws and AP. He’s great with high-setup DPS like Renoa to make sure they always have the right cards.

Kayron
Rarity	⭐⭐⭐⭐⭐ (5-Star)
Class / Role	Void Psionic
Strengths	Kayron can hit multiple enemies and build "Futility" stacks to reduce costs and boost damage. Works best in longer fights.
Weaknesses	Takes time to ramp up in short battles. Focus on Exhaust cards to speed up stacking. Pair with Orlea for more Exhaust cards and Mika to keep AP flowing.

Mika
Rarity	⭐⭐⭐⭐ (4-Star)
Class / Role	Justice Controller
Strengths	Mika heals your team and restores AP, letting your squad spam skills. Strong AoE heals keep everyone alive.
Weaknesses	Utility drops late game if other healers compete. Prioritize gear that boosts AP recovery and healing. Fits any team, especially high-cost setups like Khalipe’s.

Selena
Rarity	⭐⭐⭐⭐ (4-Star)
Class / Role	Passion Ranger
Strengths	Selena supports and deals damage. She applies Marks and Passion Weakness for your team, adds shields, and triggers Extra Attacks.
Weaknesses	Needs teammates to use debuffs effectively. Balance gear between damage and buff duration. She’s strong with Passion teams, like Mei Lin, and pairs with Hugo for Extra Attack chains.

A-Tier Characters: Strong Specialists for Targeted Builds

A-tier picks require a bit more setup than the S rank from this Chaos Zero Nightmare tier list. But they can deliver excellent results in their niches so A tier picks are also great for filling gaps in your roster.

B-Tier Characters: Situational Solid Choices

B-tier are effective in niche teams but demand effort. Use them as fillers or in specialized setups from this Chaos Zero Nightmare tier list.

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People Also Ask 

Who are the best heroes in the Chaos Zero Nightmare tier list?

The best will always be the S ranks because they have these unmatched skills, as well as the powers that aren’t featured in other ranks.

Can a B rank be used in the endgame?

You can but their potentials are limited. It is better if you avoid using B-rank heroes in the end game, as they can only show a good skill set in the early game.

Which heroes are great for creating a team?

Focus on S and A ranks whenever you want the best team, as they are the best skill holders.

Conclusion

So that is all we have for the Chaos Zero Nightmare tier list. This overview of the characters can now help you to see how strong and useful each character will be, so it is time for you to get your chance. Select the best of them, and it is time to lead the best chaos loop.