Stella Sora – Complete Beginner Guide, Best Characters & Team Composition (2025)

If you’ve been following Yostar’s lineup, you already know they love stylish, story-driven action RPGs — and Stella Sora is their newest masterpiece. Set in a beautifully melancholic sci-fi world filled with emotion, swordplay, and shimmering starlight, the game brings together the intensity of real-time combat and the charm of collectible characters called Trekkers.

I. Introduction to Stella Sora

A. Overview of the Game and Features

At its core, Stella Sora is a mobile action RPG that mixes hack-and-slash gameplay with cinematic storytelling. You control a squad of Trekkers, switching between them mid-battle to chain attacks and unleash spectacular combo skills.

B. Genre and Gameplay Style

Imagine something between Punishing: Gray Raven and Honkai Impact, but with Yostar’s signature anime narrative flair. Every fight feels fast-paced, tactical, and visually stunning — it’s not just about mashing buttons; timing and character synergy matter.

C. Developer Information

Developed by Yostar Games, known for titles like Azur Lane and Arknights: Endfield, Stella Sora shows how far they’ve evolved in building narrative-heavy action systems.

D. Global Launch

The global launch rolled out in late 2024, but 2025 has already brought balance patches, new Trekkers, and a massive story update expanding the New Star Guild arc.

E. Community and Player Base

The community is vibrant — you’ll find tons of discussions about combos, tier lists, and favorite Trekker ships (yes, the fandom’s already shipping characters hard). The Discord community is one of the most active I’ve seen for a new RPG, and the developers frequently drop event codes and dev letters.

II. Getting Started and Beginner Guide

A. Installation and Account Creation

The game’s available on iOS, Android, and supports emulators like LDPlayer and BlueStacks. After installation, you’ll sign in via Yostar ID or as a guest — linking early is recommended so you don’t lose progress.

B. Tutorial and Basics

The tutorial introduces you to:

• Basic attacks, dodges, and parries

• Ultimate skill activations (Starbursts)

• Switching between Trekkers for chain combos

• Energy management

• Story exploration

C. First-Time Player Tips

1. Always perfect-dodge — it triggers Star Counter, which fills your ultimate gauge.

2. Use manual mode in boss fights; auto won’t dodge properly.

3. Don’t hoard resources. Level your main 3 Trekkers evenly.

4. Prioritize weapon upgrades over costumes early — damage scales better than style (sadly).

D. Resource Allocation

Focus your upgrade resources on a balanced trio — one DPS, one tank, and one support. Avoid spreading XP chips across too many Trekkers early on.

E. Early Progression

After clearing Chapter 3, you’ll unlock the Guild, Arena, and Memory Trace Dungeons, which are essential for farming upgrade materials.

III. Trekker Character System Overview

A. Overview

Trekkers are the playable characters of Stella Sora. Each has a unique backstory, skill set, and weapon type — from dual blades to mechanical gauntlets.

B. Character Introduction

Every Trekker has three skills:

1. Basic Attack Chain

2. Signature Skill

3. Starburst Ultimate

C. Roles

Trekkers fall into three main roles:

• Breaker (DPS) – focuses on burst combos.

• Defender (Tank) – absorbs damage and protects allies.

• Supporter (Healer/Buffer) – enhances teammates’ damage or survivability.

D. Specializations

Beyond roles, each Trekker aligns with one Element (Solar, Lunar, Nebula, or Twilight), which affects synergy bonuses in teams.

E. Progression

Leveling, ascension, and equipment refining form the core of progression. Each ascension unlocks stat boosts and sometimes new passive traits.

IV. Character Roster and List

A. Overview

As of early 2025, Stella Sora features 14 Trekkers, each representing factions like New Star Guild and Twilight Order.

B. Full Roster

• Tyrant

• Amber

• Iris

• Noya

• Ann

• Gerie

• Nazuna

• Ridge

• Nonoha

• Canace

• Caramel

• Mistique

• Cosette

• Faye (new event character)

C. Character Availability

Most Trekkers can be recruited via standard banners; limited ones (like Mistique and Faye) appear during seasonal events.

D. Collection

Collecting Trekkers increases your Star Resonance, granting permanent stat boosts.

E. Discovery

Each Trekker unlocks side stories revealing lore and hidden relationships — you’ll want to explore those for free gems and insight into the world’s history.

V. Best Characters and Selection

A. Overview

Not all Trekkers are created equal — some stand out in every mode thanks to their skill sets.

B. Top-Tier Ranking (2025 Meta)

C. Analysis

Tyrant remains the best all-around unit — massive burst DPS and perfect synergy with support buffs. Iris offers unmatched sustain with her healing field, while Amber holds the line as one of the sturdiest tanks.

D. Recommendations

For beginners:

• Tyrant (main DPS)

• Amber (tank)

• Iris (support)

This trio can carry you through early and midgame without breaking a sweat.

E. Beginner Choice

Avoid rolling too deep on limited banners until you’ve built your starter team — meta shifts quickly, but these three stay relevant across updates.

VI. Tyrant and New Star Guild Characters

A. Tyrant Overview

Tyrant is the protagonist — a stoic swordsman with Twilight energy coursing through his veins. His ultimate, Zero Nova, slices across the battlefield in a flurry of dark energy.

B. Mechanics

He scales with ATK and Twilight resonance. Every perfect dodge boosts his crit rate, making him deadly when played manually.

C. New Star Guild Overview

The New Star Guild acts as the main organization in the story — a mix of mercenaries, scientists, and lost souls fighting against the collapse of reality. Most early Trekkers belong here.

D. Affiliations

Amber, Iris, and Noya are also Guild members, each bringing unique lore connections to Tyrant.

E. Narrative Context

The Guild’s storylines explore themes of redemption, starlight technology, and the fading boundaries between dreams and memories — all tied to Tyrant’s past.

VII. Amber and Iris Characters

A. Amber Overview

Amber is the team’s rock — a defensive Trekker who protects allies with Solar barriers and taunts enemies.

B. Abilities

• Solar Guard: Deploys an energy shield.

• Radiant Counter: Reflects damage after a block.

• Starburst: Solar Flare: Deals AOE light damage and grants a damage reduction aura.

C. Iris Overview

Iris is your primary support, wielding a Nebula staff that heals and boosts energy gain.

D. Mechanics

She specializes in sustained healing and passive buffs. Her healing circle can outlast most boss phases.

E. Specialization

Combining Amber and Iris creates one of the most stable teams in the game — perfect for new players learning boss mechanics.

VIII. Noya and Ann Characters

A. Noya Overview

Noya’s the sniper-type Trekker — deadly from range with pinpoint accuracy. Her Lunar Arrows scale with crit rate.

B. Mechanics

Noya charges energy with each shot. Perfect reload timing gives bonus damage and penetration.

C. Ann Overview

Ann is a support character specializing in SP recovery and crowd control.

D. Abilities

Her Seraphic Pulse skill regenerates energy for allies while stunning nearby enemies.

E. Specialization

Noya and Ann together shine in long fights, offering balanced offense and energy sustain.

IX. Gerie and Nazuna Characters

A. Gerie Overview

Gerie wields twin daggers infused with Nebula power, excelling at fast combos and mobility.

B. Mechanics

She builds combo stacks to amplify her damage output — perfect for aggressive players.

C. Nazuna Overview

Nazuna, a soft-spoken Twilight healer, focuses on lifesteal mechanics and shielding effects.

D. Abilities

Her Twilight Embrace heals based on ally damage dealt, making her excellent in burst compositions.

E. Specialization

Pairing Gerie with Nazuna creates a glass-cannon build that balances risk and reward.

X. Ridge and Additional Characters

A. Ridge Overview

Ridge is the engineer-type Trekker — summoning drones for support fire and repairs.

B. Mechanics

He alternates between offense and defense modes, offering great versatility for free-to-play players.

C. Additional Roster

Other characters like Canace, Caramel, and Mistique expand the roster into elemental hybrids and limited-event specialists.

D. Variety

Each new release brings fresh gameplay mechanics — some characters transform mid-combat or fuse elements for hybrid ultimates.

E. Expansion

New Trekkers are expected every two months, keeping the roster dynamic and the meta lively.

XI. Nonoha and Canace Characters

A. Nonoha Overview

Nonoha is an assassin-style Trekker using twin blades. Her playstyle revolves around stealth and high burst.

B. Mechanics

Her invisibility passive allows backstabs for double crit damage — perfect for PvP.

C. Canace Overview

Canace commands elemental spirits, providing buffs and small heals during battles.

D. Abilities

Her Spirit Echo skill boosts elemental resonance for allies, synergizing well with hybrid teams.

E. Unique Role

Nonoha shines in solo play; Canace excels in support-heavy party setups.

XII. Caramel and Mistique Characters

A. Caramel Overview

Caramel, the cheerful demolitions expert, uses explosive orbs to deal AOE damage.

B. Mechanics

Her attacks inflict burn damage over time, making her ideal for wave-based missions.

C. Mistique Overview

Mistique is one of the limited event characters — a Twilight-class mage with debuff-heavy attacks.

D. Abilities

Her Phantom Rift reduces enemy defenses and slows time briefly when activated.

E. Advanced Role

Caramel offers raw damage, Mistique brings tactical control — both excel in endgame raids.

XIII. Cosette and Character Comparison

A. Cosette Overview

Cosette’s a hybrid support-DPS with time manipulation skills. Her unique trait lets her rewind cooldowns.

B. Mechanics

Perfect for advanced players — mastering her skill rotation is challenging but rewarding.

C. Comparison

D. Strengths and Weaknesses

Tyrant and Iris dominate meta fights, but Cosette offers unmatched tactical flexibility.

E. Role Analysis

She’s the wild card — not essential for beginners, but game-changing in advanced play.

XIV. Character Tier List

A. Overview

The current 2025 tier list reflects both PvE and PvP viability.

B. Explanation

Ranking considers DPS uptime, survivability, and synergy.

C. Tier Breakdown

S Tier: Tyrant, Iris, Mistique
A Tier: Amber, Noya, Cosette
B Tier: Nazuna, Ann, Gerie
C Tier: Ridge, Caramel, Nonoha

D. Meta Analysis

Tyrant + Iris teams dominate raids; Amber compositions still excel in defense-heavy missions.

E. Recommendations

If you’re starting fresh, focus on building at least one S-tier DPS and one dedicated support — that’s enough to tackle all story content comfortably.

XV. Team Composition System

A. Overview

You can bring three Trekkers into battle, swapping between them at any time.

B. Mechanics

Each switch grants a Star Chain, temporarily buffing your active Trekker.
Perfect switch timing is the secret to massive combo damage.

C. Strategy

You’ll want to form squads with one main DPS, one tank/defender, and one support.

D. Role Balance

Avoid running three DPS units unless you’re overleveled; sustain is crucial in longer boss fights.

E. Synergy

Try pairing characters with matching elements — it triggers Resonance Buffs like 5% attack or 0% cooldown reduction.

XVI. Team Building and Squad Assembly

A. Overview

Building an efficient squad means considering both role synergy and element resonance.

B. Formation

Example meta team:

• Tyrant (DPS)

• Amber (Tank)

• Iris (Support)

C. Member Selection

Always keep one Trekker who can interrupt or stagger enemies — it prevents boss ultimates.

D. Balance

The best squads maintain consistent uptime on buffs, heals, and defensive cooldowns.

E. Optimization

Enhance your Trekker’s equipment evenly; underleveled supports can break your entire flow.

XVII. Party System and Three-Character Team

A. Overview

The 3-character system is at the heart of Stella Sora’s combat design — it’s about coordination and fluid switching, not static rotations.

B. Mechanics

Each Trekker has Tag-In Skills, triggered automatically when swapped in with full energy.

C. Formation Example

• Slot 1: DPS (main damage)

• Slot 2: Tank (aggro + CC)

• Slot 3: Support (buffs + sustain)

D. Role Distribution

Rotate based on cooldowns: DPS → Tank → Support → back to DPS for burst windows.

E. Structure

Once you master swap timing, you’ll chain ultimates like an orchestra of chaos — that’s where the combat really shines.

XVIII. Main and Support Trekker Roles

A. Main Trekker

This is your carry — the one dealing consistent damage and leading combo chains.

B. Mechanics

Equip the main Trekker with highest-tier weapon and resonance gear to maximize performance.

C. Support Trekker

Supporters amplify the main’s damage output, providing shields, heals, or buffs.

D. Effectiveness

A properly built support can double your team’s DPS potential — never underestimate them.

E. Role Coordination

The beauty of Stella Sora lies in how fluid these roles intertwine — swap mid-fight, combo ultimates, and unleash stunning synergy bursts.

Stella Sora is easily one of Yostar’s boldest projects yet — a blend of heartfelt storytelling, fast-paced action, and deep character systems. Whether you’re here for the lore, the flashy combos, or the gacha grind, it rewards both casual and hardcore players alike.

Building your dream squad takes time, but every pull and upgrade feels meaningful. Tyrant’s stoic edge, Iris’s warmth, and Amber’s reliability make them unforgettable companions in this journey through light and shadow.

If you love games that make you feel like part of the story — not just a spectator — Stella Sora is absolutely worth diving into. And who knows? Maybe you’ll find your favorite Trekker among the stars.