Diving into NIKKE Co-op Chaos
Synchro levels the playing field by syncing your Nikkes to the lowest level among your top 5 highest-leveled ones. Perfect for when your squad's CP is all over the map.
Picture this: You pick five high-level beasts; everything syncs down to the weakest of them, letting your lower-power pals keep up.
Quick steps? Nail your core high-level picks first. Pump up those slots with gems or Tactics Academy runs pre-2025—post-update, it's all auto. And yeah, free level resets make life easy.
Oh, and September 2025 throws in auto consumables. Game-changer.
Breaking Down the Synchro Device: 2025 Edition

It kicks off with 5 slots. Come September 2025? Bam—25 slots, no cooldowns on removals, auto placement, batch upgrades for under 200 levels, auto consumables, and free resets whenever.
Before? Swapping Nikkes meant waiting out cooldowns. Now? Swap freely.
Here's how you set it up: Grab your top 5, sync to the lowest. Auto-fill the 25 slots. Batch-upgrade anything under 200 with those auto consumables. Reset levels on a whim.
Go advanced? Hit sync level 200 (five unique Nikkes with Limit Breaks). Overclock after 300 sync plus Main Ark 100 (Mana Crystals required). Resets? 30 days with Everstones.
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Gear Rules That Actually Matter in Chaos Co-op
Overload gear shines with sub-stats like ATK, Crit Rate/Damage, Max Ammo, Charge Speed/Damage. Tier 4+ matching your manufacturer? That's your 30% boost right there.

Red Hood loves ATK/crit. Scarlet? Crit and ammo. Alice thrives on charge speed/damage. Modernia stacks ATK/ammo. Even Rapi gets that sweet Elysion 30% kick.
Break it by piece: Head/Torso for HP/ATK; Arms hit ATK/DEF; Legs go HP/DEF. Attackers prioritize ATK. Supporters balance out. Defenders tank with HP/DEF.
Gear up like this: Slap on role-specific Overloads. Nail the manufacturer/class match for 30%. Upgrade the big-impact pieces first. Simulation buffs scale up—Lv2 (2), Lv3 (3), Lv4 (4), Lv5 (6).
Ever wonder why some squads melt bosses while yours struggles? Gear synergy. It's not magic; it's math.
Teaming Up with Friends at Wildly Different Power Levels
Sync drops to the lowest of your top 5. 2025 blesses us with 25 slots, auto tools, batch upgrades, free resets.
Pre-update: Stuck at 5 slots with cooldown hell. Post? Freedom.
Smart plays: Build your core team solid, then diversify with Advanced Synchro. Fuel overclocks with Mana Crystals/Everstones. Overload your top gear, sync before jumping in.
Tribe Tower Type Mold drops SSR recruitment tickets plus extras (September 2025 rollout).
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Your No-BS Step-by-Step for Launching Co-op

- Lock in your top 5 highest for the sync base.
- Let auto-placement and batch upgrades handle the <200 levels.
- Fine-tune gear—Overload gear, chase those 30% matches.
- Jump into matchmaking. Eye your daily limits (1-2 goals usually).
Post-2025 perks: Ditch cooldowns. Auto consumables carry you.
Short and sweet.
Killer Team Comps for Mixed-Power Mayhem
Core damage dealers: Red Hood (ATK/crit overloads), Modernia (ATK/ammo). Sustain with Scarlet (crit/ammo). Burst it out via Alice (charge speed/damage).

Attackers go ATK-heavy. Defenders stack HP/DEF. A strong base plus god-tier gear? It'll carry your lowbies no sweat.
Pitfalls That'll Wreck Your Run (And Fixes)
Don't sleep on syncing—do it pre-co-op, or watch your team flop. Pre-2025 removal cooldowns? Plan your comps ahead. Gear mismatches kill that 30% edge.
Dodge 'em: Batch-upgrade your lows. Lean on post-September auto/free swaps. Stick to core strengths; diversify smart, not wild.
I've seen vets trip here. Learn from 'em.
FAQ: Quick Hits on NIKKE Co-op Chaos
What's the Synchro Device in NIKKE Co-op?
Syncs to the lowest of your top 5. 2025 upgrade: 25 slots, auto placement/batch everything.
How do gear rules shake out in Chaos co-op?
Overload focuses ATK/crit/ammo/charge. Tier 4+ manufacturer match nets 30%. Tailor to role—like ATK for attackers.
Co-op with friends at different power levels? Possible?
Totally. Synchro lowest top 5 + killer gear. 2025 kills cooldowns, adds free resets.
2025 Synchro Device changes in NIKKE?
September drop: 25 slots, no cooldowns, auto placement/consumables, batch under 200, free resets across the board.
How to sync teams in Chaos mode?
- Top 5 highest-leveled. 2. Auto-add and upgrade. 3. Gear it up. Advanced unlocks at 200 sync.
Tips for carrying low-level friends?
Rock a high-base core, Overload tops like Red Hood's ATK. Batch-boost lows; overclock after 300 sync.



















