Re-ascend the 100-floor floating fortress of Aincrad. Dive into comprehensive weapon scaling metrics, decode the Ability Correction Value (ACV) system, master 10 unique Sword Skills per weapon, and defeat legendary Floor Guardians.
Welcome to the Echoes of Aincrad database and strategy wiki. Sword Art Online: Echoes of Aincrad delivers an intense, single-player action JRPG experience focused squarely on authentic floor-by-floor dungeon progression. Free from microtransactions or gacha mechanics, character growth is governed by physical weapon proficiencies, mastery growth points, and the newly implemented Ability Correction Value (ACV) attribute engine.
Combat revolves around dynamic action chains, high-risk parry windows, and the iconic "Switch!" tag mechanic. Whether you are searching for an optimized Echoes of Aincrad build guide, looking up the best Sword Skills unlock tree, or checking the drop rates for Floor Labyrinth materials, our interactive tools below provide verified, data-backed insights.
Echoes of Aincrad categorizes melee armaments into six core weapon disciplines. Unlike standard RPGs where weapons merely provide fixed attack values, every blade or blunt club in Aincrad features a dynamic ACV scaling rating across five core attributes: Strength (STR), Dexterity (DEX), Agility (AGI), Mind (MND), and Endurance (END).
6 entries
| One-Handed Sword | DEX / STR | Medium-High | Medium | Yes (Shield Guard & Parry) | STR: B / DEX: A / AGI: C | S Tier | Perfect Parry opens 3s critical counter riposte window. |
| Rapier | AGI / DEX | Medium (High Multi-hit) | Fast | Yes (Light Buckler Only) | DEX: B / AGI: S / MND: C | S Tier (Bossing) | Linear thrusts ignore 30% enemy physical armor during counter windows. |
| Dagger | AGI | Low per hit (Extreme DPS) | Extremely Fast | No (Perfect Dodge / Shadow Step) | STR: D / DEX: C / AGI: S | A Tier | Perfect Dodge leaves a decoy illusion and grants +50% Crit Rate for 4 seconds. |
| Mace | STR / MND | Medium-High (Blunt Impact) | Medium-Slow | Yes (Tower Shield Compatible) | STR: A / MND: B / VIG: B | A Tier (Stun / Tank) | Inflicts 2.5x Poise Stagger; fills Downed gauge twice as fast as blades. |
| Two-Handed Sword (Greatsword) | STR | Very High | Slow | No (Hyper-Armor Frame / Tackle) | STR: S / DEX: C / END: B | S Tier (Crowd & Boss) | Shoulder Tackle absorbs enemy attacks with hyper-armor without interrupting combo chains. |
| Two-Handed Battleaxe | STR / END | Highest Raw Force | Very Slow | No (Damage Reduction Guard) | STR: S+ / END: A / AGI: D | A Tier | Fully charged heavy attacks bypass 60% of boss defense and down targets instantly. |
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Each weapon discipline features ten unique Sword Skills that can be unlocked through weapon mastery and labyrinth floor quests. Players can equip up to three active Sword Skills alongside a weapon special art. Chaining normal attacks directly into a Sword Skill cancels end-lag animation frames and triggers bonus critical strike damage.
6 entries
| Vorpal Strike | One-Handed Sword | 35 SP | 1 Heavy Thrust | Physical (Pierce) | Floor 5 Main Quest: Labyrinth Exploration | Extends reach by 3x with an explosive red light trail; deals 320% damage to targets in straight line. |
| Nova Ascension | One-Handed Sword | 60 SP | 10 Rapid Slashes | Light | Mastery Level 15 + Floor 12 Smithy Quest | Ascends into the air with radiant dual-plane slashes; target remains suspended in air throughout skill. |
| Star Splash | Rapier | 50 SP | 8 Piercing Thrusts | Physical (Pierce) | Floor 8 Duel Quest: The Ashen Knight | Consecutive rapid lunges that accelerate in speed; final thrust causes armor shatter debuff. |
| Neutron Needle | Rapier | 70 SP | 5 Pinpoint Strikes | Holy / Light | Floor 15 Boss Chest drop | Blinding flashes mark enemy weak points, increasing subsequent party critical damage by 25%. |
| Meteor Break | Two-Handed Sword | 65 SP | 7 Heavy Cleaves | Fire / Impact | Floor 10 Hidden Dungeon Floor | A blazing charge combo that ends with a volcanic plunge, launching smaller enemies and staggering bosses. |
| Whirlwind Destruction | Two-Handed Axe | 45 SP | Channeled Spin | Physical (Slash) | Weapon Mastery Level 10 | Spins continuously for up to 6 seconds; player can move slowly while deflecting light enemy projectiles. |
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Ascending the floating castle requires breaching each floor's sealed Labyrinth Chamber. Floor Guardians feature multi-layered health gauges, telegraphed unblockable fury attacks (flashing red aura), and dangerous enrage phases below 25% HP.
Mastering the "Switch!" mechanic is essential. When a boss's yellow poise meter fills from repeated heavy strikes or parries, shouting "Switch!" instantly summons your AI companion for a devastating tag-team strike that knocks the boss into a vulnerable Downed status for 6 to 8 seconds.
4 entries
| Illfang the Kobold Lord | Floor 1 (Labyrinth Gatekeeper) | 4 Gauges (Green > Yellow > Orange > Red) | Blunt Stun & Parries | At 25% health, drops Axe and Bone Shield to draw a lethal curved Nodachi katana with swift diagonal draw slashes. | During katana phase, switch from shield blocking to lateral rolling; bait his downward chop to execute an aerial Switch combo. | Coat of Midnight (Unique Armor), Kobold King Bone Cleaver, Floor 2 Warp Crystal |
| The Gleam Eyes | Floor 74 (Chamber of Agony) | 5 Gauges | Holy / Light & Dexterity Piercing | Summons hellfire breath covering half the arena; swings giant Zanbato sword capable of breaking through shields in a single blow. | Do NOT attempt to turtle with medium shields. Use Rapier or Dagger Perfect Dodges to slip behind his flanks during roar animations. | Dark Repulser Ingot, Gleam Eyes Horn Relic, Legendary Two-Handed Zanbato |
| The Skull Reaper | Floor 75 (Corridor of Ruin) | 6 Gauges (Multi-Leg Poise) | Blunt Strike & Two-Handed Cleaves | Centipede-scythe boss capable of one-shotting unarmored players; sweeping scythe blades execute instant down combos on frontline. | Coordinate Switch mechanics to rotate aggro; use Two-Handed Axe and Mace to break side legs, collapsing the boss for 8 seconds. | Chitin Scythe Fragment, Elixir of Rejuvenation, Floor 75 Clear Badge |
| The Fatal Scythe | Floor 1 Labyrinth Depths (Secret Raid) | 4 Gauges | Sacred Sword Skills | Ghostly phantom boss that passes through terrain; teleports behind players with zero sound cue. | Equip Spirit Bell charm to reveal its shadow phase; parry the downward scythe plunge when its eyes glow crimson. | Phantom Mantle, Crystalline Scythe Ingot, Secret Skill Codex |
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Lisbeth's Smithy serves as the beating heart of your gear progression. Weapons can be reinforced from +0 to +10 using regional ore ingots. Every 3 reinforcement tiers unlocks an EX-Mod slot, permitting players to inject custom passives such as life-leech on critical hits, bonus SP regeneration on parry, or altered elemental conversions.
4 entries
| Floor Labyrinth Bosses (Illfang, Gleam Eyes) | Ancient Smelted Ingots & Set Blueprints | 100% Guaranteed Ingot, ~25% Unique Equipment Recipe | Upgrades weapon from +7 to +10 (Max Enhancement Level) |
| Crystalline Mineral Veins (Floors 20-50) | Windflower Crystal & Dragonite Ore | 45% per Mining Node with High Mining Skill | Adds elemental enchantments (Flame, Frost, Lightning, Sacred) |
| Elite Minotaurs & Lizardmen Wardens | Hardened Beast Hide & Refined Steel Bars | 35% Base Drop Chance (Scales with Luck Mod) | Reinforces medium and heavy armor physical defense ratings |
| Secret Treasure Chests (Mimic Cages & Crypts) | EX-Mod Skill Runes & SP Recovery Gems | 20% Rare Drop Rate | Sockets into 3rd weapon mod slot to alter Sword Skill properties |
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Every weapon in Echoes of Aincrad features an Ability Correction Value (ACV) rating from A to D across STR, DEX, AGI, MND, and END. Unlike static RPGs, weapons of the same category can roll varying ACV letters. A Two-Handed Sword with dual S/A ratings in STR and END yields exponentially higher scaling damage than a generic C-tier Greatsword.
Players can map three active Sword Skills alongside a weapon special art. Unleashing Sword Skills consumes SP, which regenerates via successful normal hits, parries, and Perfect Dodges. Chaining a Light-Light-Heavy normal combo directly into a Sword Skill cancels recovery frames and refunds 20% of the SP cost.
In party dungeons and boss encounters, filling a boss’s Poise/Stagger bar triggers the iconic "Switch!" prompt. Executing Switch swaps front-and-back positions with your companion, dealing 200% bonus critical damage and temporarily knocking the boss into a vulnerable Downed state.
Weapons can be refined at Lisbeth’s Smithy up to +10 using regional ores. Each +3 threshold unlocks an EX-Mod slot. Mods can alter skill behavior—such as adding bleed buildup to Vorpal Strike or turning Star Splash into a holy element combo.
Sword Art Online: Echoes of Aincrad launched on July 10, 2026 across PC (Steam), PlayStation 5, and Xbox Series X|S as a full-featured single-player action JRPG.
ACV (Ability Correction Value) dictates how effectively your player attributes scale weapon attack power. Rated from S down to D, weapons with multiple high-grade ACVs produce much higher endgame damage. Matching your stat allocation (e.g., DEX for 1H Sword, AGI for Rapier/Dagger) to weapon ACVs is vital.
The One-Handed Sword is the most balanced weapon for beginners. It features fast attack recoveries, high stagger potential, and allows equipping a shield for forgiving parry and guard windows.
Yes. You can equip up to three active Sword Skills per weapon loadout, plus one unique Weapon Art. Skills can be hot-keyed and cancelled into during normal combo strings.
Watch Illfang’s weapon swap at 25% HP when he draws his curved katana. Switch to rolling dodges rather than shield blocks, bait his vertical chop, and call your companion for a Switch attack to down him during the stagger animation.
Disclaimer: This is an unofficial fan database developed by EratoGame. Sword Art Online: Echoes of Aincrad is a registered trademark of Bandai Namco Entertainment and Game Studio Inc.
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