The First Descendant Season 3: Breakthrough – Zones, Raids & Builds

The First Descendant: Season 3 Overview – Breakthrough
Season 3 of The First Descendant, titled “Breakthrough”, launched on August 7, 2025. Servers opened at 5 AM PT / 8 AM ET / 1 PM BST after maintenance. This is the largest update yet, introducing new zones, mechanics, characters, raids, customization options, and more.

Key Additions in Season 3
Feature | Description |
|---|---|
New Zone | Axion Plains – massive battlefield with new missions and events |
New Systems | Arche Trigger, Hover Bikes, Swords, Trigger Modules |
New Characters | Nell |
New Raids | Wall Crasher – 8-player Colossus; Storm Hanger |
New Customization | NieR: Automata crossover outfits (2B & A2), new skins for original characters |
Quality-of-Life | Quest path display, support/DPS balance, character rebalances |
Invasion Questline
Completing the seasonal Invasion Questline unlocks a seasonal artifact, Weapon Mastery progress, and other rewards. Players can request assistance to skip repetitive parts and reach action sequences faster.
New Systems
Arche Trigger System
Unlock: Mastery Rank 15 sub-quest
Activation: Spend Kuiper Shards + Refined Axium Crystals
Purpose: Adds an extra Trigger Module slot, giving bonuses on skill casts
Modules: Common, Rare, Ultimate tiers; can be dismantled for shards via Silion
Drops: Axion Plains missions, Colossus fights
Trigger Modules & Materials
Function: Enhance skills and combat abilities (damage boosts, ally buffs, etc.)
Materials: Refined Axium Crystals, Crystallization Catalysts, Energy Activators
Tips: Collect Axium chunks in marked drop zones for bonus materials
Vehicle Mechanics
New Hover Bikes: GLIDE-4 (quest reward), Orca & Vortex (operational drops)
Enhancements: Speed, handling, Mastery Rank EXP
Events: Mobile Energy Monitoring races with six courses
Melee Combat
New Weapon: Shadow Blade (charged dash / iaijutsu-style attack)
Future Weapons: Two-handed greatsword, lightsaber-style weapon
Mechanics: Swap between firearms and melee; tweak damage type, attack speed, and effects
New Customization
Personal Lounge
Display Descendants, arrange furniture, showcase Colotoys
Invite friends to visit, making the lounge a social hub
Skins & Costumes
NieR: Automata: 2B, A2, Battered 2B
Original Characters: H.O.U.N.D uniforms (Ines & Raya), Black Raven (Enzo), F1-style racing (Nell & Serena)
Shop Items: Vehicle skins, cosmetic items, themed outfits
Recommended Build
High Voltage Bunny Build for combat and progression efficiency
New Characters
Nell
Manipulates Arche Energy
Abilities: Create/detonate Arche Breach, fire Breach Shards
Unlock: Gather Arche Loot in Axion Plains operations
Additional Descendants planned later in the season
Season 3 Events
Challenge Events:
Breakthrough with Nell
Into the Axion Plains
TFD X NieR: Automata crossover
Attendance Event: Aug 7 – Oct 15, 2025 (collect Attendance Mementos for rewards)
Boost Event: Aug 7 – Aug 27, 2025 (Level 40 Ultimate Bunny, weapons, and more)
Boost Path: Aug 7 – Sep 17, 2025 (guided 150+ quest progression)
Quick Facts:
BB-On NPC: Central hub for events in Albion
Weekly Challenges: Optional, but time-consuming; can be skipped with assistance
New Battlefield: Axion Plains
Story Quests:
Part 1: Post-Fortress mission into Axion Plains
Part 2: Unlocks at Mastery Rank 15 after Sigma Sector mission
Enemies: Legion of Breach, Karel storyline, interactions between Enzo & Nell
Total Missions: 7, including 2 new ones
Quality-of-Life Changes
Quest path display in Albion
Support/DPS role balance adjustments
Character skill tweaks (Jayber, Viessa, Esiemo, Sharen, Valby, Keelan)
Numerous bug fixes (party joining issues, stability improvements)
New Raid: Wall Crasher
Type: 8-player Colossus Field Raid
Location: Open ground in Axion Plains
Mechanics: Hover Bikes for mobility, close combat, weak point targeting, AoE awareness
Tip: Pro Player assistance available for reward completion
New Gear
Ultimate Weapons
Exterminator: Rocket launcher; auto-locks, extra damage to armored foes
ERASER: Ultimate rifle; builds Analysis stacks, deploys enzyme clouds to corrode enemies
Upgrade Materials
Trigger Modules, Refined Axium Crystals, Weapon & External Component Cores, Core Amplifiers, Kuiper Shards, Alloys
Tip: Daily operational areas and Wall Crasher participation maximize resource gains

Rewards Overview
Source | Key Rewards |
|---|---|
Axion Plains Missions | Nell blueprint, ERASER, Orca/Vortex, Trigger Modules |
Defeating Common Monsters | Weapon & Descendant Blueprints (Ultimate Descendants), high-tier weapons |
Operational Areas | Extra Loot Blueprints, Trigger Modules |
Dimensional Energy Stabilization | Trigger Modules, Tier VII Weapon & Component Cores |
Wall Crasher | Trigger Modules, Tier 8 Weapon Cores, Tier 10 Component Cores, Rare Sets |
Field Colossi | Ultimate/Transcendent Modules, Rare–Ultimate Weapons, Crystallization Catalyst |
Axium Drop Zone | Specially Treated Alloy, Insulating Nut, Alloy Bearing, High Conductivity Wire |
Battle Pass: Season 3 | Ultimate Weapon Exterminator, unique skins |
Leaderboard Rewards | Prime Challenger Medals for exclusive purchases |
Boost Event | Level 40 Ultimate Bunny, Ultimate Weapons (Thunder Cage & Secret Garden), Reactor, Component sets, Crystallization Catalysts, Energy Activators |
Boost Path | Ultimate Bunny upgrades, Ultimate Weapon Smithereens, Research for multiple Descendants |
Hard Zones | Enhanced Cells, Stabilizers, Spiral Catalysts, Codes, crafting materials |
Void Vessel Missions | +3/+7 Support Coins for Limited Weapon Trade Shop |
Conclusion
Season 3 of The First Descendant delivers a massive expansion with new zones, characters, systems, raids, and customization. With this overview, you are prepared to explore Axion Plains, participate in events and raids, and enjoy new mechanics, weapons, and cosmetic options.