Arc

Mothstorm — Arc Staff (Arc Hunter)

Double-moth blind/overshield support — Arc+Void crowd-control that darkens the whole room and hands allies Void overshields, dual-exotic with Ex Diris.

Mothkeeper's Wraps on light.gg

Centerpiece: Mothkeeper's Wraps (Gauntlets) · Subclass: Arcstrider · Role: Double-moth blind/overshield support — Arc+Void crowd-control that darkens the whole room and hands allies Void overshields, dual-exotic with Ex Diris. Sandbox: 9.7.0 · Updated 2026-07-03

Two moth-themed exotics the game literally tells you to pair. Mothkeeper's Wraps replaces your grenade with a cage of seeking moths; Ex Diris spits a second swarm from the gun. Both swarms blind everything they touch, and when you wear both, Ex Diris pays out a bonus moth that throws a Void overshield onto your nearest ally — so the room goes dark while your team gets armoured. One Arc economy of Ionic Traces and permanent Amplified refuels the cage and keeps the blinds constant.

The exotic

Mothkeeper's Wraps — Winged Eclipse: Defeat targets to charge up cages of loyal moths that fly toward nearby targets or allies.

[Grenade]: Throw the cage of loyal moths, which are released on impact. Upon reaching targets, moths detonate in a blinding explosion; upon reaching allies, moths provide a Void overshield.

Ex Diris — Corrupted Nucleosynthesis: This weapon enrages when dealing or taking sustained damage, gaining increased rate of fire while enraged.

Ex Diris — Loyal Moths: Kills or 2 direct hits spawn a seeking Hive Moth. "Wearing Mothkeeper's Wraps spawns an additional Hive Moth that grants 22.5 HP Void Overshield to the nearest ally."

Catalyst — Berserk Rush: Weapon enrages faster while amplified. Final blows with this weapon make you amplified.

This is a legal dual-exotic (one armour + one weapon), and the manifest wires the two together directly. Mothkeeper's Wraps overrides your grenade with Cage of Loyal Moths — it grants a second grenade charge and sets the cooldown to 73 s (Clarity). The cage bursts on impact into 2 moths that seek the nearest thing: Arc moths detonate for up to 526 damage in a 4 m radius and Blind, counting as Arc Grenade Damage; Void moths hand a nearby ally a 22.5 HP Void overshield. Ex Diris then spawns its own Hive Moths on kills or paired direct hits (525 damage, Blind 10 s), and because you wear the Wraps it pays out a third moth that overshields an ally. Corrupted Nucleosynthesis ramps its fire rate to 126 RPM as it enrages.

Loadout

Slot	Pick	Why
Subclass	Arcstrider	The Arc kit supplies the jolt, Amplified and Ionic-Trace economy the moths cannot make themselves.
Super	Arc Staff	Roaming add-clear plus projectile deflect — the survivability panic button for a melee-range swarm, with Gathering Storm as the boss-DPS swap neither moth exotic carries.
Class ability	Gambler's Dodge	Refunds melee near enemies to keep Disorienting Blow (a third blind source) cycling, and refills the class-ability pool Ascension spends.
Movement	Triple Jump	Extra air control to get and stay airborne, which is the trigger condition for Ascension's dodge-in-air jolt burst.
Melee	Disorienting Blow	Blinds on hit — a fourth blind source that leans the whole build into its primary verb.
Grenade	Cage of Loyal Moths (Mothkeeper's override)	Your Arc grenade is replaced by the moth cage; because the Arc moths count as Arc Grenade Damage, Spark of Shock makes them jolt as well as blind.
Aspect 1	Ascension	Air-dodge to jolt the pack and amplify nearby allies while lifting you airborne — on-demand AoE jolt that pairs the AoE blind, plus 2 fragment slots.
Aspect 2	Flow State	Defeating a jolted target makes you Amplified; while amplified you get faster dodge/reload and improved Arc Staff — converts jolt kills into permanent self-Amplified, plus 2 fragment slots.
Fragments	Shock · Ions · Discharge · Beacons	Fills Ascension's 2 + Flow State's 2 slots exactly; turns blinds into jolts, jolt kills into traces, and Amplified into a second blind flood.
Exotic armour	Mothkeeper's Wraps (Gauntlets)	The centerpiece — the grenade itself becomes a seeking blind/overshield moth swarm, and it unlocks Ex Diris's bonus overshield moth.
Weapons	Kinetic primary · Ex Diris (energy) · Arc or anti-Barrier heavy	Ex Diris carries the Arc special swarm; the Kinetic primary feeds Kinetic Rupture/Synthesis for Unstoppable + ammo; heavy covers boss damage and Barrier.

Fragments

Spark of Shock Arc grenades jolt targets — makes the cage's Arc moths jolt as well as blind; -10 Grenade
Spark of Ions defeating a jolted target or a Bolt-Charged target → an Ionic Trace — the jolt→trace feeder
Spark of Discharge Arc weapon final blows can create an Ionic Trace — Ex Diris feeds the trace river
Spark of Beacons while amplified, Arc Special or Heavy final blows create a blinding explosion — Ex Diris is an Arc Special, so every kill is a moth-blind and a beacon-blind

Why it works (the mechanics)

Two seeking blind-swarms, zero aiming. The cage releases 2 moths on impact; Ex Diris spits a Hive Moth on kills or paired direct hits. Both Blind — the moths' fully-verified verb — and blinded combatants stop shooting entirely, which is damage that never happens, better than raw DR and effective on everything short of bosses. Spark of Beacons (Ex Diris is an Arc Special) and Disorienting Blow stack two more blind sources on top.
The dual-exotic is a stated synergy, not a coincidence. Ex Diris's Loyal Moths trait reads your gauntlets: with Mothkeeper's on, every activation spawns an additional Hive Moth that grants a 22.5 HP Void overshield to the nearest ally. Combined with the cage's own Void moths, this is the only Hunter build that turns a blind-swarm into a team overshield dispenser — its distinct role.
One Arc economy refuels the cage. Ascension's burst and Spark-of-Shock Arc moths apply jolt; jolted kills mint Ionic Traces via Spark of Ions; each trace returns energy to all abilities so the 73 s cage comes back fast. Ex Diris's Arc final blows mint traces too via Spark of Discharge. The weapon pays the grenade's bills and the grenade pays the weapon's.
Amplified is permanent and free. Berserk Rush amplifies on Ex Diris kills (15 s); Flow State amplifies on jolt kills. Permanent Amplified means permanent Beacons blinds, the fast reload a 1-in-mag grenade launcher desperately wants, and Corrupted Nucleosynthesis's enrage ramp charging twice as fast (25%→50% per direct hit) so the 126 RPM cap is always in reach.
The artifact closes the sustain loop. Dielectric turns the blinded/jolted room into Bolt Charge, Orbs and heals; Blinding Jolts turns jolt kills back into more blind; Elemental Orbs: Arc adds a jolting orb off Arc kills. You out-heal and out-control the room without a defensive super — Arc Staff is a luxury, not the plan.

Stats & mods

Grenade 200 → Class → Health. The cage is the engine: Grenade governs both moth cooldown and moth damage (damage scales past 100), so maxing it buys faster swarms and harder-hitting ones. Lean Grenadier/Demolitionist on the exotic gauntlets, Bulwark/Brawler elsewhere for the Class/Health floor a melee-range swarm needs.

Mods:

Boots: Arc Weapon Surge ×2 (Ex Diris + Arc heavy), plus Grenade Launcher Scavenger for the 1-in-mag reserves.
Arms: Grenade Launcher Loader and Momentum Transfer to speed ability regen off weapon hits.
Chest: Arc/concussive resist for the melee-range survivability floor.
Class item: Bomber + Orbs of Restoration — turn the Beacons/Dielectric orb flood back into ability energy for more cages.
Surge: Arc Weapon Surge — matches Ex Diris and an Arc heavy.
Anti-Champion: Blind stuns Overload intrinsically; Kinetic Rupture (artifact) stuns Unstoppable; bring an intrinsic anti-Barrier weapon for Barrier.

Artifact — Encrypted Data Disk

The Arc + Void disk — the only artifact whose elements match the build's two moth elements (Arc blind moths + Void overshield moths) — and it pays off Blind, Jolt, Bolt Charge and Orbs while answering Unstoppable.

Picks (2/3/2):

Tier 1: Fierce Proxemics · Kinetic Synthesis
Tier 2: Dielectric · Blinding Jolts · Armorsmith
Tier 3: Elemental Orbs: Arc · Kinetic Rupture

Fierce Proxemics refunds grenade and melee energy on finisher final blows — the fastest way to re-arm the moth cage and Disorienting Blow.
Kinetic Synthesis lets the Kinetic primary generate its own ammo bricks, keeping the Unstoppable weapon fed.
Dielectric grants Bolt Charge on defeating Arc-debuffed (blinded or jolted) targets and spawns an Orb + heal on rapid kills; the whole room is debuffed, so this fires nonstop as the sustain and Bolt-Charge engine.
Blinding Jolts blinds nearby combatants on jolted final blows, converting the Ascension / Spark-of-Shock jolt back into more blind and deepening the flood.
Armorsmith grants DR and melee damage on shield breaks — the survivability garnish for a melee-range swarm.
Elemental Orbs: Arc drops an Arc orb on Arc kills that jolts what it damages — another jolt and orb source feeding Spark of Ions and the orb economy.
Kinetic Rupture turns Kinetic damage against a powerful combatant into a staggering Rupture that stuns Unstoppable — the champion answer Blind cannot give.

Where it shines

Add-dense endgame (GMs, master Lost Sectors, legend content) where a permanent room-wide blind is worth more than raw damage and the team overshields keep a fireteam standing.
Support/team play — the only Hunter build that dispenses Void overshields to allies while it crowd-controls, so it slots into a fireteam as the enabler.
Champion coverage: Blind stuns Overload behaviourally (the build's identity); Kinetic Rupture stuns Unstoppable off the Kinetic primary; the disk has no Barrier mod, so bring an intrinsic anti-Barrier weapon on the Kinetic or heavy slot.

Verify notes

Ex Diris manifest-confirmed: Arc · Grenade Launcher · Special · RPM 90, champion none (`data/weapon_facts.json`) — it is Special, not Heavy.
Intrinsics quoted verbatim from `docs/encyclopedia/exotics.md` (Mothkeeper's Winged Eclipse + Grenade line; Ex Diris Corrupted Nucleosynthesis) and `docs/encyclopedia/catalysts.md` (Ex Diris Catalyst — Berserk Rush).
Aspects/fragments from `docs/encyclopedia/aspects.md` (Ascension, Flow State) and `docs/encyclopedia/fragments.md` (Spark of Shock/Ions/Discharge/Beacons — note Ions triggers on jolted or Bolt-Charged kills; Discharge is a chance on Arc final blows).
All 7 artifact mods exist in the Encrypted Data Disk pool at the exact 2/3/2 tiers shown (`docs/encyclopedia/artifacts_structured.md`).
Clarity numbers (`docs/encyclopedia/clarity_build_numbers.md`): cage cooldown 73 s (+1 charge); Arc moth up to 526 dmg / 4 m radius; Hive Moth 525 dmg, Blind 10 s; 22.5 HP Void overshield per Void/bonus moth (3 s cooldown between Ex Diris activations); Berserk Rush Amplified 15 s; enrage max 126 RPM (+40%). These are community-sourced, not in the base manifest — treated as tuning-flagged.
Interaction to verify in-game: Spark of Shock applying to the cage's Arc moths is expected (they "count as Arc Grenade Damage") but not manifest-explicit; and "Blind stuns Overload" is the recorded verb in `docs/knowledge/subclasses_and_aspects.md` — confirm it still carries the Overload stun under current Anti-Champion rules.

Mod selection (masterworked — full allocation)

Piece	Mod · cost	What it does
Helmet (7/10)	Arc Siphon 3e fill	Rapid Arc weapon final blows create an Orb of Power.
	Ashes to Assets 3e fill	Gain bonus Super energy on grenade kills.
	Heavy Ammo Finder 1e fill	Increases the effect of all contributions towards the Heavy ammo meter.
Arms (7/10)	Momentum Transfer 2e	Causing damage with a grenade reduces your melee cooldown.
	Grenade Kickstart 3e fill	When your grenade energy is fully expended, your Armor Charge is consumed and you gain grenade energy for each Armor Charge used.
	Impact Induction 2e fill	Causing damage with a powered melee attack reduces your grenade cooldown.
Chest (5/10)	Arc Resistance 1e fill	Reduces incoming Arc damage from combatants.
	Concussive Dampener 3e fill	Reduces incoming area-of-effect damage from combatants.
	Sniper Damage Resistance 1e fill	Reduces incoming damage from combatants that are at long range.
Legs (3/10)	Arc Weapon Surge 1e	Your Arc weapons gain a small bonus to damage while you have any Armor Charge. Your Armor Charge now decays over time.
	Arc Weapon Surge 1e	Your Arc weapons gain a small bonus to damage while you have any Armor Charge. Your Armor Charge now decays over time.
	Arc Scavenger 1e	Arc weapons get bonus reserves when picking up ammo used by that weapon.
Class Item (4/10)	Bomber 1e	Reduces grenade cooldown when using your class ability.
	Reaper 1e fill	Shortly after using your class ability, your next weapon final blow spawns an Orb of Power.
	Powerful Attraction 2e fill	Automatically collects nearby Orbs of Power when you activate your class ability.

All 15 sockets used, 10 energy per masterworked piece; costs from the manifest. Core mods are the build's engine; fill mods are strong defaults — swap freely (chest resists should match the activity's damage types). Flex/loadout-dependent: an Arc heavy. - **Anti-Champion:** Blind stuns Overload intrinsically; Kinetic Rupture (artifact) stuns Unstoppable; bring an intrinsic anti-Barrier weapon for Barrier.