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Full Arsenal

Gold

Unlock every Main Weapon and Power Weapon in the game, and dispatch at least 25 enemies with each one. Weapons are found as drops inside biome rooms during runs — they do not carry over between runs unless you invest Halcyon in the Armor Matrix to unlock starting loadout options. Kill counts are tracked persistently across all runs.

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Equip new weapons immediately. When a new weapon drops in a run, switch to it and build your 25 kills before the run ends — even if it's weaker than what you were using. Don't save unfamiliar weapons for "later" runs. Kill counts don't retroactively apply; you must actively use the weapon for kills to register.
  • Track each weapon's kill count in The Passage terminal → Weapon Log
  • All weapons must reach 25 kills — no minimum per run, fully cumulative across all runs
  • Weapons that feel underpowered are best farmed in Biome 1 or 2 where enemy health pools are lowest
  • Power Weapons are rarer drops — you may need to actively seek them rather than wait for luck
  • Once the Armor Matrix "Preferred Loadout" node is unlocked, you can guarantee a specific weapon appears in your first room of each run
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Biome 1 (Shattered Rise) kill farming: For any weapon where you're struggling to reach 25 kills, run Biome 1 exclusively. Its enemies have the lowest health in the game, meaning even the weakest alt-fire weapons can kill efficiently. Clear the full biome (8–10 rooms), exit, repeat. With a dedicated weapon focus, 25 kills per weapon takes a single Biome 1 run.

Main Weapon Catalogue

Main Weapons are Arjun's primary firearms. All have an alt-fire mode activated by a half-pull of L2 and a standard fire on R2. Each weapon appears as a biome drop with a base version — upgraded Variants appear at higher rarity tiers.

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Sidearms & Handguns
3 weapons · Available from Biome 1
Hollowpoint Pistol
Standard Sidearm · Default Starting Weapon
Unlock: Available from the start of the game
25 kills needed · Easy
Fastest active reload window of all Main Weapons. Use it to practice the active reload mechanic while farming kills. Alt-fire fires a charged piercing shot that passes through multiple enemies — use it in corridors.
Kinetic Burst
Rapid-Fire Pistol · High Firerate
Unlock: Drops from Biome 1 rooms onward
25 kills needed · Easy
Highest fire rate of the sidearms. Depletes ammo quickly — active reload discipline is critical. Alt-fire releases a short-range burst wave that staggers enemies. Great for farming kills in Biome 1 corridors.
Handcannon
Shotgun-Style Spread · Close Range
Unlock: Drops from Biome 2 rooms onward
25 kills needed · Easy — also needed for Spread the Love trophy
Fires a wide pellet spread. Each shot can tag multiple enemies — combine kill farming with the Spread the Love trophy (7 enemies in 5 seconds). Best in dense corridor rooms. Alt-fire launches a sticky explosive pellet.
Energy Weapons
3 weapons · Available from Biome 2
Carcosan Lancer
Energy Rifle · Medium Range · Alien Origin
Unlock: Drops from Biome 2 onward — slightly rarer than sidearms
25 kills needed · Moderate
Fires sustained energy beams with high accuracy. Alt-fire switches to a pulse burst mode that deals bonus damage to shielded enemies — synergises with clearing Biome 3 and 4 shielded elite rooms efficiently.
Void Emitter
Charged Energy · Delayed Burst
Unlock: Drops from Biome 3 onward
25 kills needed · Moderate
Charges for 1.5 seconds before firing a high-damage void burst that hits an area. Alt-fire fires small homing void shards. Slow but devastating — farm kills in larger arena rooms where enemies cluster. Strong against Alphas.
Resonance Rifle
Precision Energy · Long Range
Unlock: Drops from Biome 4 onward — less common
25 kills needed · Moderate
Highest single-target damage of all Main Weapons. Alt-fire activates a brief aim-assist resonance lock that guarantees the next shot hits a weak point. Ideal for faster boss kills when Power Weapon isn't charged.
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Heavy Weapons
2 weapons · Available from Biome 5
Eclipse Cannon
Heavy Explosive · Area Damage
Unlock: Drops from Biome 5 onward — uncommon
25 kills needed · Easy once obtained
Fires explosive rounds with generous splash damage. One shot can kill 3–5 enemies in dense rooms. Ammo is limited — use alt-fire (single precision shot) to conserve. Best multi-kill weapon in the game. Farm Legion's horde for quick 25 kills.
Carcosan Obliterator
Heavy Beam · Maximum Damage
Unlock: Drops from Biome 6–7 only — rarest Main Weapon
25 kills needed · Slow — needs dedicated farming
The rarest Main Weapon. Fires a sustained heavy beam that disintegrates enemies. Because it only drops in late biomes, reaching 25 kills requires intentional focus. Run Biome 6 repeatedly with the Preferred Loadout Matrix node to increase drop rate.

Power Weapon Catalogue

Power Weapons are Arjun's special-charge weapons — charged exclusively by absorbing enemy projectiles with the Shield. They deal massive damage and have unique effects. All 6 must reach 25 kills each for Full Arsenal.

Solaris Cannon
Power Weapon · Default · Explosion
Unlock: Available from the start — default Power Weapon
25 kills needed · Easy
Fires a large explosive burst with AOE. The most reliable Power Weapon for multi-kills — one shot clears groups of 4–6 enemies. Great for 25 kills as it's always available.
Pulse Driver
Power Weapon · Biome 2 Drop · Chain Lightning
Unlock: Drops from Biome 2 onward
25 kills needed · Easy
Fires chain lightning that arcs between nearby enemies. Devastating in dense groups — Legion's horde is ideal. Alt-fire produces a ground pulse variant. Fastest Power Weapon for kill accumulation in large rooms.
Void Ripper
Power Weapon · Biome 3 Drop · Singularity
Unlock: Drops from Biome 3 onward
25 kills needed · Moderate
Launches a gravitational singularity that pulls enemies together and then implodes. High damage potential but requires enemies to be within 6m of the singularity. Position carefully before firing for multi-kills.
Carcosan Spore
Power Weapon · Biome 4 Drop · Toxic DOT
Unlock: Drops from Biome 4 onward — uncommon
25 kills needed · Slow DOT — patience required
Releases a toxic spore cloud that deals damage-over-time. Kills are slower than burst weapons — compensate by using it on weaker enemies only. Biome 1 runs make the 25 kills much faster here.
Eclipse Projector
Power Weapon · Biome 5 Drop · Eclipse Wave
Unlock: Drops from Biome 5 onward — uncommon
25 kills needed · Moderate
Projects an artificial Eclipse wave that briefly corrupts nearby enemies (reducing their max health temporarily) before detonating. Very powerful against groups of 5+ enemies. Best used in the opening seconds of a dense room.
King's Regalia
Power Weapon · Biome 7 Only Drop · Ultimate
Unlock: Extremely rare drop — Biome 7 (Cathedral) and Banyan Tree only
25 kills needed · Hardest to farm — dedicated runs required
The rarest and most powerful weapon in the game — fires a full miniature Eclipse beam that instantly kills most non-elite enemies. Because it only drops in Biome 7 or the Banyan Tree, reaching 25 kills requires multiple late-game runs. Use the Preferred Loadout Matrix to increase its appearance rate once available.

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Master Craftsman

Bronze

Unlock and use all Traits and Variants of any single weapon. Every weapon in Saros has multiple upgrade tiers — Variants (upgraded base stats) and Traits (passive special effects that modify how the weapon behaves). You only need to complete the full Trait and Variant tree for one weapon to earn this trophy.

Recommended weapon: the Hollowpoint Pistol. It is the default weapon with the deepest upgrade tree and the fastest active reload window — it appears in every run, making Trait upgrades easy to find and apply. Its full tree can typically be completed within 4–6 dedicated runs.

#Trait / VariantEffectHow to Unlock
⬆️Variant I
All weapons
Improved base damage, accuracy, and magazine sizeFound as a higher-rarity weapon drop in any biome. Same weapon type, glowing blue frame around the weapon icon
⬆️Variant II
All weapons
Further improved stats — near maximum performanceRarer drop, appears from Biome 3 onward. Preferred Loadout Matrix node helps force this to appear
Trait: Rapid Mag
All Main Weapons
Reduces magazine reload time by 30% — passive always activeAppears as a Trait node attachment on weapon drop icons — gold star symbol on the weapon frame
Trait: Shield Feeder
All Main Weapons
Each kill with this weapon grants bonus Shield chargeUncommon drop — more frequent in Biome 4+ rooms. Combine with Carcosan Lancer for maximum shield charge speed
Trait: OverDrive Booster
All Main Weapons
OverDrive activates after 1 fewer consecutive active reloadRare trait. Appears more in Biome 5+ drops. Worth seeking for OverDrive trophy runs simultaneously
Trait: Eclipse Bane
All Main Weapons
+25% damage to enemies during the Eclipse stateEclipse-specific trait — found more commonly in Biome 6–7 drops. Stack with Eclipse Projector Power Weapon for a strong synergy build
Trait: Corruption Cleanse
All Main Weapons
Every 10 kills cleanses one stage of Corruption automaticallyVery rare trait — primarily found in Banyan Tree room drops. Worth having in the Hollowpoint's tree for passive Corruption management
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Trait tracking: Open The Passage terminal → Weapon Log → select any weapon → the Trait and Variant tree is displayed with locked (grey) and unlocked (gold) nodes. You need every node for one weapon to be gold. Focus entirely on the Hollowpoint Pistol tree — it's always available, always droppable, and its tree is the most predictably completable.