Companions & Echoes Directory

Voices Across the Fracture.

Meet the officially established companions of ECHOES. Explore their narrative origins, tactical combat roles, elemental affinities and verified skill sets.

01 / Character Directory

Playable companions in the web demo.

Each companion brings a distinct combat kit and personal story route. Character profiles are structured for future individual detail pages as the roster expands.

Arlo Lin in a field uniform and scarf, carrying a short sword
SR Physical Fire +5% · Ice -10%

Field investigator · Echo Institute · Frontline Investigation Division

Arlo Lin

阿洛・林

“Confirm the route. No one gets left behind in the mist.”

A seasoned frontline investigator of the Echo Institute who leads field reconnaissance into Rift-contaminated sectors. Calm under pressure and protective of rookie Resonators, Arlo relies on standard-issue steel, tactical discipline and hard-won survival instincts.

Gameplay Role
Physical Attacker · Shield Breaker · Frontline Buffer
How to Recruit
Joins in Main Story Chapter 1 (Stage 1-1)

Associated Story Route · Reminiscences

The Investigator’s Oath (調查員的誓約)

Triggered by an unresolved black-box signal from his former squad, Dawn Seven, Arlo returns to the sealed Grey Tower observation post to confront survivor’s guilt and bring his fallen teammates’ final record home.

Verified Combat Skills

Basic Attack No cooldown
Standard Slash 制式斬擊

Deals single-target Physical damage with an increased critical hit rate against Riftborn and shielded enemies.

Active Skill 2-turn cooldown
Burning Blade Assault 燃刃突襲

Delivers a high-multiplier Physical strike to a single target and shatters a portion of the enemy’s active shield.

Active Skill 3-turn cooldown
Frontline Command 前線號令

Raises Physical ATK for all allies for 2 turns and advances Arlo’s own Action Value to keep pressure on the enemy line.

Passive Passive trait
Investigator’s Instinct 調查員直覺

Grants Arlo a Physical ATK boost whenever an enemy’s shield is broken, rewarding coordinated break timing.

Luca, a medical apprentice, in a white coat over a green uniform with medical equipment
SR Magical Water +10%

Medical apprentice · Echo Body · Ocmia Guild Medical Division Origin

Luca

露卡・醫療學徒

“Take a breath. The mist hasn’t reached your pulse yet.”

An Echo Body synchronized by the Institute whose hands still remember the triage routines of another world’s clinic. Gentle yet resolute in contaminated zones, Luca keeps the squad standing through emergency stabilization, status cleansing and protective water-mist barriers.

Gameplay Role
Healer · Cleanser · Anti-Contamination Support
How to Recruit
Joins in Main Story Chapter 1 (Stage 1-3)

Associated Story Route · Reminiscences

Echo Medical Record (迴響診療錄)

While treating frost-contaminated patients in Ashenveil, Luca traces a resonance anomaly to an abandoned ward. Alongside Arlo, she learns to separate the memories of her origin from the healer she chooses to be today.

Verified Combat Skills

Basic Attack No cooldown
Disinfectant Shot 消毒水彈

Deals single-target Magical damage and restores a small amount of HP to the lowest-HP ally whenever a teammate is afflicted by a debuff.

Active Skill 2-turn cooldown
Stabilizing Care 穩定處置

Restores HP to a single ally, cleanses one damage-over-time or debuff effect, and grants Stabilized to reduce incoming periodic damage.

Active Skill 4-turn cooldown
Anti-Contamination Mist 防污染水霧

Restores HP to the entire party and applies an Anti-Contamination Film that blocks the next incoming damage-over-time or debuff effect.

Passive Passive trait
Medical Triage 醫療分流

Automatically restores additional HP to the lowest-HP ally whenever Luca cleanses a status effect from a teammate.

Cillian in a dark apprentice robe, holding a staff
SR Magical Dark +15% · Light +10% · Fire -5%

A story beyond Ashenveil · Ocmia Magic Academy · External Worldline Echo

Cillian

希里安・諾光

“Even if this mana has no light, I can still choose who it protects.”

An apprentice mage from the town of Ocmia in an external worldline, born with vast uncolored mana and rare sensitivity to forest corruption. Cillian weaves Dark and Light resonance together, marking threats to weaken their magic while turning consumed marks into protective wards for his allies.

Gameplay Role
Dark & Light Magical Attacker · Mark & Shield Support
How to Recruit
Joins in Echo Chapter: The Lightless Child and the Eclipse Forest

Associated Story Route · Echo Chapters

The Lightless Child and the Eclipse Forest (無光之子與蝕月之森)

Across a 40-node journey through Ocmia, Glimmer Forest, Whitestone Castle and the royal capital Augusta, Cillian absorbs a creeping forest blight and travels with Lia, Xuexu and Aulon to prove that a person’s worth is defined by choice rather than the color of their mana.

Verified Combat Skills

Basic Attack No cooldown
Moonshadow Bolt 月影彈

Deals Dark Magical damage to a single target and triggers bonus Light Magical damage when hitting an enemy branded with Moonshadow Mark.

Active Skill 2-turn cooldown
Lightless Mark 無光印記

Deals Dark Magical damage to a single enemy and applies Moonshadow Mark, reducing the target’s Magical ATK and priming follow-up resonance.

Active Skill 3-turn cooldown
Glimmer Veil 微光護幕

Wraps an ally in a Light-attuned shield and restores bonus HP when protecting a teammate at low health.

Active Skill 4-turn cooldown
Eclipse Echo 蝕月迴響

Unleashes area-of-effect Dark Magical damage against all enemies, triggers bonus Light damage on marked targets, and consumes marks to shield the lowest-HP ally.

Passive Passive trait
Lightless Child 無光之子

Triggers Glimmer Awakening when an ally drops below 40% HP, empowering Cillian’s spells and defensive warding.

02 / Recruitment & Resonance

How companions join and grow.

Companions join your roster through story progression and Echo Guidance synchronization at the Dawnline Institute.

Story Recruitment

Companions met on the journey

Arlo Lin joins at the start of Main Story Chapter 1 (Stage 1-1), Luca joins upon clearing Stage 1-3, and Cillian joins through his Echo Chapter route.

Echo Guidance

Observation Prisms & Rarity Tiers

Use Observation Prisms in the Echo Guidance interface to synchronize R, SR and SSR combat records archived by the Echo Institute.

Constellation Resonance

Echo Fragments & Six Nodes

Duplicate character records convert into Echo Fragments, allowing you to unlock up to six Constellation Resonance nodes per character.

Official ECHOES Guide

Explore deeper into Ashenveil.

Navigate across the official ECHOES pages to discover the world, companions, combat mechanics, development updates and player support.

Your first resonance awaits

Step into ECHOES.

Start the Chapter 1 web demo in your browser.