All 42 Modifiers
MIO: Memories in Orbit has 42 Modifiers. Equip them in the Allocation Matrix at Network Gates / Overseer Modifier Centres. Base capacity starts at 25 slots (Self-Awareness equipped); 7 Mod Extensions add +10 each (95 slots total before negative mods). Collecting all 42 unlocks the Fully Modded trophy.
Slot costs and effects below follow community wiki data (mio.wiki.gg). Locations are condensed from public guides—use an interactive map if a route is unclear. None are permanently missable.
Ready-made loadouts: Builds · Tier Lists · 100% Checklist
Quick Jump
5-Cost Modifiers
Self-Awareness
5 slotsEffect: Displays Mio's status on the HUD.
Location: Equipped by default at the start of the game.
Analyser
5 slotsEffect: Displays enemies' remaining health.
Location: Given by Rad after freeing him from the door near The Severed Spine.
Reduced Latency
5 slotsEffect: Quicker recovery after getting hit.
Location: Purchase from Mel after saving 1 Scrapling (SIN).
Pain Conversion
5 slotsEffect: Energy recharges when taking damage.
Location: Purchase from Mel after saving 2 Scraplings (typically after COS).
10-Cost Modifiers
Maintenance Hack
10 slotsEffect: Protective Coat repair at Nacre Basins is free.
Location: Purchase from Mel (default shop stock).
Effective Dismantlement
10 slotsEffect: Enemies drop significantly more Nacre Droplets on death.
Location: Purchase from Mel (default shop stock).
Portable Crystalliser
10 slotsEffect: Converts some enemy Nacre Droplets into Crystallised Nacre.
Location: Purchase from Mel after saving 2 Scraplings (TAN unlocks late shop stock).
Defragmentation
10 slotsEffect: Getting hit generates an Energy Shard.
Location: Purchase from Mel after saving 2 Scraplings.
The Heart's Favourite
10 slotsEffect: Energy recharges quicker while on the ground.
Location: Purchase from Mel after saving 2 Scraplings (after TAN).
20-Cost Modifiers
Protective Overlay
20 slotsEffect: Grants an additional layer of protection.
Location: Locked container / arena challenge southwest of The Severed Spine elevator (L1). Also referenced as early Mel purchase in some guides—check both if needed.
Counter Measures
20 slotsEffect: Dodging an attack applies the “targeted” status to the enemy.
Location: Platforming challenge behind a purple wall northwest of City Hall Network Gate (Metropolis area).
High-Voltage Discharge
20 slotsEffect: After a short delay, the next attack automatically stuns the target.
Location: Tube / Gloomwater pump challenge southwest of The Vaults Network Gate.
Enhanced Dodge
20 slotsEffect: Increased dodge timing window (more forgiving i-frames / timing).
Location: Container beyond Poltergates outside Metropolis (City Gates area).
High-Risk Voucher
20 slotsEffect: Allows purchasing an extra (non-stackable) protection layer at Nacre Basins.
Location: Near a Nacre Basin / saw challenge west-northwest of The Vaults Network Gate.
Energy Leecher
20 slotsEffect: Large increase to energy recovered when attacking enemies.
Location: Outcrop southeast of the Bell Tower Network Gate (Haven).
Kinetic Thrust
20 slotsEffect: The last attack of the combo deals more damage.
Location: Small offshoot in Dwellings near a Calderon-type furnace corpse / Foundations tunnel.
The Hand's Greed
20 slotsEffect: Damage increases for each protection layer already lost. (Patch 1.2: also benefits from decayed health / tremor.)
Location: Container to the right of Crow's chamber (Haven / Feral Undergrowth border).
Wild Cat
20 slotsEffect: After using the Hairpin, the next attack becomes a heavy strike.
Location: Small cave left of the Bell Tower elevator (L1 / Pendulum Panorama).
Perfect State
20 slotsEffect: High damage increase while all protection layers are active.
Location: Give 10,000 Nacre to Xelato northeast of the Bell Tower Network Gate.
Foolish Ideal
20 slotsEffect: Damage increases when energy is not fully charged.
Location: City Hall room south of City Hall Network Gate (Metropolis).
Defense Mechanism
20 slotsEffect: Creates an explosion around Mio when she takes a hit.
Location: Ledge above the Scorpion in Feral Undergrowth (flower / jump path).
Makeshift Recovery
20 slotsEffect: Quickly defeating an enemy that hit you restores one extra (non-stackable) protection layer.
Location: Cave / climb left of Bell Tower Network Gate.
Black Widow
20 slotsEffect: Damage temporarily increases while using Striders.
Location: Container after defeating Sol & Vin (Embedding Palace).
Bird of Prey
20 slotsEffect: Damage temporarily increases while using Sail (glide).
Location: After rebooting Alice in Promenade—appears under / near Celia’s platform at the Haven–Promenade entrance.
30-Cost Modifiers
Afterimage
30 slotsEffect: Using Hairpin generates a decoy enemies target first; decoy explodes after a delay.
Location: End of a path in Redacted / under Metropolis ice section (near Torn Overseer routes).
Splintering Dodge
30 slotsEffect: Dodging an attack generates an Energy Shard.
Location: Saw platforming challenge left of The Vaults shuttle / purple-wall route.
Alexander's Fate
30 slotsEffect: Nacre Droplets are no longer lost on death.
Location: Beside the Canopy Network Gate.
Nacre Overload
30 slotsEffect: Damage scales with carried Nacre Droplets (attacks spend droplets; recovered when the enemy dies).
Location: Requires Flowing Steps—chamber near wind tunnels under Hall of History / Foundations approach.
Sunsail
30 slotsEffect: Faster Sail glide, but higher energy consumption.
Location: High section of Celestial Bay (purple egg-like objects).
Glitch Trail
30 slotsEffect: Leaves a damaging trail after using Hairpin on a target.
Location: Leaf platform room in Haven (near Breath / crystallized Nacre routes).
Extra-Coating Processor
30 slotsEffect: Extra (non-stackable) protection layer every 3 enemies defeated.
Location: Vaults tube / Gloomwater route southwest of Vaults Network Gate.
Asma's Will
30 slotsEffect: Non-boss enemies do not attack until you strike first (built-in Pacifist-like effect).
Location: Asma & Khlia's hideout below Crow's room (Striders).
40-Cost Modifiers
Firefly
40 slotsEffect: Using Sail creates a damaging static storm around Mio.
Location: Through Bell Tower Canopy entrance, down onto a platform by the tower wall.
Sharpened Hairpin
40 slotsEffect: Allows slicing enemies while using Hairpin (attack input on grapple). Patch 2 rebalanced the “perfect” variant—retest your DPS builds after updating.
Location: Hall of History (Metropolis)—ledge via Hairpin on an Energy Shard / Old-fashioned Key door routes.
Gratitude
40 slotsEffect: Restores an extra (non-stackable) protection layer after staying on the ground briefly. Excellent for The Crucible.
Location: Purchase from Mel for 1 Nacre Droplet after saving Mel from Debby.
Negative Modifiers (Add Slots)
Imperfect Focus
+5 (negative) slotsEffect: Adds slots, but reduces dodge timing forgiveness.
Location: Foundations offshoot in Dwellings near a rapid ice shooter.
Resources Shortage
+5 (negative) slotsEffect: Adds slots, but enemies drop fewer Nacre Droplets.
Location: Aviaries in Haven, east of The Spine, under a leaf platform (downward dash).
Nacre Drought
+15 (negative) slotsEffect: Adds slots, but Nacre Basins stay dry.
Location: Bell Tower station / robot body on crystallized path below the Bell Tower Network Gate.
Thinner Frame
+15 (negative) slotsEffect: Adds slots, but removes one protection layer.
Location: Purchase from Mel after saving 1 Scrapling.
Split Process
+15 (negative) slotsEffect: Adds slots, but energy recharges more slowly.
Location: Left of where you become Dr Halyn's assistant (Lab).
Oath to Ember
+25 (negative) slotsEffect: Adds slots, but damage taken in combat is doubled.
Location: Gloomwater Reserves northwest of The Lab Network Gate (advanced route; some guides mention Defragmentation / shard puzzles).
Defective Core
+35 (negative) slotsEffect: Adds many slots, but disables the Protective Coat entirely. Required to open The Pit door.
Location: Deliver all 12 Candles to the Shard of the Eye (Asma) above the Nexus.
Mel Shop Unlock Summary
- Default: Maintenance Hack, Effective Dismantlement
- After saving SIN (1 Scrapling): Reduced Latency, Thinner Frame
- After saving COS / 2 Scraplings: Pain Conversion, Defragmentation, Portable Crystalliser, The Heart's Favourite (exact stock timing can vary by shop tier—buy as they appear)
- After saving TAN: Remaining late shop mods including Heart's Favourite / Portable Crystalliser if not yet unlocked
- After saving Mel: Gratitude (1 Nacre Droplet)
- Not Mel: Perfect State is bought from Xelato (10,000 Nacre)
Mod Extensions (capacity) are mostly sold by Mel as story flags unlock—see Builds — Expanding Capacity.