Stellar Blade: Alpha Signal Mission Guide

Shida |  Published: May 03, 2024
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Find out how to complete the Alpha Signal mission in Stellar Blade in this guide. We’ll explain everything you need to know!

Alpha Signal, the sixth main quest in Stellar Blade, takes players on a thrilling journey through the treacherous Matrix 11 region. Directed by Orcal, the team sets out to follow a frequency emitting from an Alpha Naytiba.

Alpha Signal Mission Guide in Stellar Blade

This comprehensive guide will walk you through the mission, providing detailed information on key locations, collectibles, and boss fight strategies.

Step 1: Matrix 11 – The Starting Point

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

Upon arriving at Matrix 11, you will find a Supply Camp. Interact with it to discover the Great Desert Crossing Exploration Team Advertisement Document in the nearby Payphone. After making the necessary preparations, use the improvised ramp on the right to exit the building’s roof and head towards the underground entrance.

Before descending the lift, explore the bathroom on the right to find a body containing the Memory Stick The Last Theorem of An Unknown.

Step 2: Closed Off Platform

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

In the Closed Off Platform area, you will encounter a new enemy type, the Skulling. These squid-like creatures can be easily defeated using ranged weapons. As you progress, keep an eye out for collectibles, such as the Black Box containing Earrings, Blue Point, and the Document Transport Delay Notice.

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

To create a shortcut back to the entrance, open the door indicated by Adam. Proceeding further, you will face Skull Troopers, a powerful enemy wielding a large hammer. Use the surrounding environment, such as climbing platforms, to gain an advantage in combat.

Step 3: Landfill

Alpha Signal Mission Guide in Stellar Blade Fusion Cell
Shift Up Corp

In the Landfill area, you must obtain a passcode from a fallen Legionaire to open a locked supply box containing a Fusion Cell. Use the lift to reach the upper floor and insert the Fusion Cell into the Fusion Drive to unlock the gate leading to the Rail Bridge.

Step 4: Collapsed Rail Bridge

Stellar Blade Alpha Signal Mission Guide
Shift Up Corp

Travel the Collapsed Rail Bridge by using the broken stringers and hanging ropes. Be prepared to react to button prompts as debris begins to fall. At the top of the bridge, make your way through the broken trains until you reach the end of the railway.

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

Descend the ladder and follow the path to a camp with hanging fairy lights. Before proceeding, explore the area for valuable collectibles, such as the Memory Stick Alex’s Memory, a Body Core, Adam’s Chameleon outfit, and other items.

Step 5: Boss Fight – Stalker

Stalker Boss Guide Stellar Blade
Shift Up Corp

Engage in a challenging boss fight against the Stalker. This enemy uses a combination of ranged projectiles and melee attacks. Use strategies such as dodging yellow attacks, using combat items like Shock Grenades. Here is the breakdown of Stalker’s attacks:

AttacksDescription
Yellow Projectile BarrageThe Stalker throws multiple projectiles that can be blocked.
Straight Yellow ProjectileA single straight projectile attack that is blockable.
StampedeThe Stalker charges forward in a straight line.
Jump and HeadbuttThe Stalker jumps and headbutts forward.
Red Combo (Five-Blow)A five-blow combo from the sides, with the last blow having a small pause.
Red Combo (Three-Hit)Begins with a left-hand hit, followed by three hits, a roll, and a pink move.
Dash and One-Two HitThe Stalker dashes and follows up with a one-two hit.
Left Claw Strike & SpinStrikes with left claw and spins with right claw.
Blue AttackUnspecified blue attack to be cautious of.
Burst AttackOccurs after a Quick Time Event; avoid being close to the Stalker during this moment.
Enhanced Regular MovesMultiple strikes while rolling; increased aggressiveness.
New Red AttacksSix-blow combo ending with a yellow jump and a spin attack followed by a one-two claw attack from above
Breaking BalanceBreaking all 12 balance points will be useful for counterattacks.
Quick Time EventsTwo QTE moments: one before the 60% health mark and another with 10% HP remaining.
Finishing SequenceA sequence requiring button input once the Stalker reaches low health.
How to Defeat Stalker in Stellar Blade
Shift Up Corp

After defeating Stalker, you will receive these items as rewards:

  • Weapon Core
  • Extreme Nano Elements
  • Extreme Polymer Elements
  • Shield Enhancement Gear 3
  • Burst Charge Gear
  • Gold
  • EXP
  • Burst Skill Ability

The Burst Skill is a new set of abilities that you can get by pressing R1 and a button (▢, O, △, or X), similar to Beta Skills. However, you must unlock these abilities.

Step 6: Rail Yard Puzzle

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

In the Rail Yard, solve a short puzzle to discover the train code required to progress. Move the train to the correct position and spray water to reveal the passcode: N72R5.

Before leaving the area, explore the surroundings for additional collectibles, such as a Tumbler Expansion Module and a can.

Step 7: Underground Sewer

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

Navigate the Underground Sewer, obtaining passcodes and Fusion Cells along the way. Complete a mini-game involving pipes to create a path from the top-left node to the bottom-right node, allowing the liquid to flow correctly.

As you progress, the area will become flooded. Dive underwater to discover hidden collectibles, such as a Beta Core and the Document To the Little Drone.

Step 8: Rotten Labyrinth

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

In the Rotten Labyrinth, you will encounter Mites and their evolved form, the Mutated Mite. Explore the area thoroughly, uncovering hidden paths and collectibles, such as the Memory Stick Pascal’s Warning and the Daily Force outfit.

Alpha Signal Mission Guide in Stellar Blade
Shift Up Corp

Eventually, you’ll reach a survivors’ shelter filled with lore-rich documents and items. Interact with objects like a guitar to learn more about the world of Stellar Blade.

Step 9: Boss Fight – Juggernaut

Alpha Signal Mission Guide in Stellar Blade Step 9.1
Shift Up Corp

Face off against the formidable Juggernaut, a larger version of the Skull enemy wielding a massive hammer. Utilize the recently acquired Burst Skills to gain an advantage in battle. Be cautious of the Juggernaut’s fire-infused attacks during the second phase of the fight.

AttackDescription
Hammer Drag AttackA single-blow attack dragging the hammer, ending in one blow. The combo starts with a regular blow but ends with a pink attack.
Yellow MovesSide blow followed by spin with a long pause before second blow; single yellow strike.
Blue MovesForward blow; grab.
Three-Blow ComboThree-hit combo, with third hit being a yellow; dodge backward to avoid.
Buffed PhaseOccurs when Juggernaut loses around 20-30% health; attacks are enhanced, ground slams leave fire pools, and new yellow jump attack introduced.
Red AttackFive-hit combo: quick one, one-two, pause, final one-two.
Final SequenceJuggernaut will have a final finishing sequence when life reaches zero.
How to Defeat Juggernaut in Stellar Blade
Shift Up Corp

Defeating the Juggernaut will reward you with:

  • Beta Enhancement Gear 2
  • Crit Boost Gear 2
  • Extreme Nano Elements
  • Weapon Core

Step 10: Graveyard

Alpha Signal Mission Wallkthrough
Shift Up Corp

The Train Graveyard presents a flooded station filled with containers and wagons. Navigate the area cautiously, as enemies can ambush you from unexpected locations.

Engage in a quick-time event to escape a trap and slide down a collapsing tunnel while avoiding deadly grinders.

Ascend the flight of stairs, defeating enemies along the way, and unlock the Supply Camp at the top to prepare for the final boss fight.

Step 11: Boss Fight – Tachy

Tachy Boss Fight Stellar Blade
Shift Up Corp

In a shocking twist, closing into the end of the Alpha Signal mission, you must confront Tachy, who is revealed to be the Alpha Naytiba. Adapt to her unique attack patterns, which include charged slashes, projectiles, and defensive maneuvers using her wings. Here is the breakdown of her attacks:

AttackDescription
Regular MovesStep back, thrust forward, and second hit; jumping to one side before two attacks; four-hit combo.
Yellow MovesCharging slash attack; complex red attack consisting of blow, back dash, forward dash, quick attacks, and blue ending.
Defensive PhaseUpon losing some health, Tachy raises one wing, introducing a new defensive element; prepare to block and counterattack.
New Yellow MoveCharging weapon and sending three slashes forward; dodge instead of block or parry.
Variants of Previous MovesVariant of side attack with jump, short break, and two-hit combo; new red attack with spin and charged final blow.
Transition PhaseAt around 50% health, Tachy teleports and gains two wings, initiating final phase; prepare for new airborne attacks.
Enhanced Red AttackVariant of red attack with charged slash, consecutive blows, elevated attack, and blue ending.
Charged Sword AttackTwo blows followed by third; be cautious of delayed blue attack where Tachy disappears briefly before executing.
Combat ItemsUtilize Shock Grenade to stun Tachy for free hits.
Repeated AttacksTachy repeats previous phase attacks alongside new ones.
How to Defeat Tachy Alpha Naytiba in Stellar Blade
Shift Up Corp

As the fight progresses, Tachy will become more aggressive and gain new abilities. Use healing items, Beta Skills, and Burst Skills strategically to defeat her.

Defeating Tachy grants you rewards, such as:

  • Burst Expansion Gear 2
  • Combat Supply Gear 2
  • Weapon Core
  • Various materials

Completing the Alpha Signal Mission in Stellar Blade

The Alpha Signal mission in Stellar Blade offers a challenging and immersive experience, filled with diverse environments, puzzles, and intense boss battles.

By following this comprehensive guide and exploring each area thoroughly, you will be well-equipped to uncover the secrets of Matrix 11 and progress further in Eve‘s epic journey.

Remember to make use of the newly acquired Burst Skills, experiment with different combat strategies, and take advantage of the numerous Supply Camps scattered throughout the mission.

Check out our other guides for Stellar Blade:

7th Airborne Squad Mission Guide | Scavenger Adam Mission Guide | Xion the Last Remaining City | Altess Levoire Mission Guide | Light of Hope Mission Guide

About Author

Shida is an avid gaming and anime writer with a background in journalism covering both the topics, and fashion. She is a passionate writer since she was in high school. Shida is also a lover of cozy games like The Sims, Stardew Valley, Coral Island, and FIelds of Mistria.