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Blue Protocol: Star ResonanceShield Knight GuideBest builds and how to play the class.

Guides
Shield Knight - Introduction

Shield Knight is one of the classes available in Blue Protocol: Star Resonance. They fulfill the Tank role while wielding Sword & Shield as their weapon of choice. Find their best builds and how to play them properly in our guide.

Video Guide

This class has no video guide yet.

Update tracker

Last profile update

23.08.2025

Last build update

23.08.2025

Last how to play update

23.08.2025

Class Overview

Abilities

Talents

How To Play & Rotations

Best Builds

Class Overview

Specs

Shield Knight has access to two specs:

Recovery Spec

A Spec that uses Valor Bash as the Special Attack. Improves defenses through Valor Bash. Maintains Lightforged Body to absorb half incoming DMG. Casting Judgment restores lost HP.

Difficulty:

Style review coming soon!

Shield Spec

A Spec that uses Vanguard Strike as the Special Attack. Uses Vanguard Strike to get Holy Barrier. Increases max HP and provides special skill resources. Maintains Lightforged Body to absorb half incoming DMG. Casting Judgment restores lost HP.

Difficulty:

Style review coming soon!

Unique Resources

Shield Knight has access to two unique resources:

Holy Sigil

Resource required to cast Special Attacks and some Expertise. There are 5 initial Holy Sigils. Each Holy Sigil enters a 10s CD after being consumed, and generates 10 Photon Energy.

Photon Energy

Resource required to cast some Expertise Skills, starting at a max of 100.

Abilities

Fixed Skills
Basic Attack

Blade of Justice

Tags: Basic Attack, Light, Physical, Direct DMG, Single Target, Melee

Blade of Justice unleashes a 3-hit sword combo followed by a swing, each hit dealing Attack Damage.
Multipliers:
  • Strike I: 30% ATK +31 (Resilience Break: 30)
  • Strike II: 30% ATK +31 (Resilience Break: 30)
  • Strike III: 60% ATK +62 (Resilience Break: 60)
  • Strike IV: 80% ATK +83 (Resilience Break: 80)
  • Red Light Counter: 80% ATK +83 (Resilience Break: 80)
Special Attack

Valor Bash

Tags: Special Attack, Light, Physical, Direct DMG, Single Target, Protect, Melee

Consumes 1 Holy Sigil to deliver a powerful shield bash to enemies in front, dealing Attack Damage and increasing your Armor, stacking up to 3 times.
Multipliers:
  • Total Damage: 80% ATK +83 (Resilience Break: 244)
  • Armor Increase per Layer: 6% +104
  • Duration: 10s
Ultimate

Radiant Infusion

Tags: Ultimate, Light, Physical, Direct DMG, AoE, Protect, Melee

Unleashes holy energy to strike nearby enemies, dealing Attack damage and inflicting Dazzled for 5s. Grants a Radiant Shield equal to 300% ATK. For the next 10s, instantly refreshes 1 Holy Seal for every 2s (prioritizing the Holy Seal with the longest remaining CD), and generates 10 Photon ERG each time.
Multipliers:
  • Total Damage: 300% ATK +312 (Resilience Break: 720)
  • CD: 60s

[Radiant Shield]: Infuses the Shield with light, absorbing 50% of incoming DMG. The effect can stack absorption and reset duration when the Skill is reused. Max absorption cannot exceed 100% of Max HP.

[Dazzle]: Forces the enemy to move into melee range of their current target to attack. Does not affect bosses. This is a status effect.

Expertise Skills
Expertise 1

Judgment

Tags: Expertise Skill, Light, Physical, Direct DMG, Direct Healing, Single Target, Melee

Consumes 45 Photon Energy to call down a blast of holy light on the target area, dealing Attack Damage and healing yourself based on HP lost (minimum heal: 5% of Max HP).
Multipliers:
  • Total Damage: 150% ATK +156 (Resilience Break: 326)
  • Total Healing: 30% Lost HP
Expertise 2

Reckoning

Tags: Expertise Skill, Physical, Light, Direct DMG, AoE, Melee

Consumes 2 Holy Sigils. Performs a fiery blade strike at all nearby enemies, dealing Attack Damage.
Multipliers:
  • Total Damage: 350% ATK + 34 (Resilience Break: 451)
Expertise 3

Shield Toss

Tags: Expertise Skill, Physical, Light, Direct DMG, AoE, Melee

Tosses the spinning shield, taunting nearby enemies, dealing Attack Damage, interrupting their actions, and reducing their DMG dealt by 10% for 10s.
Multipliers:
  • Hit Damage: 100% ATK +104 (Resilience Break: 65)
  • CD: 12s

[Taunt]: Forcing enemy monsters to attack oneself

[Interrupt]: Interrupts the target’s casting and puts the interrupted skill on CD. Does not affect bosses.

Expertise 4

Sacred Blade

Tags: Expertise Skill, Physical, Light, Direct DMG, Single Target, Melee

Consumes 3 Holy Sigils, summoning a sword from beneath the target's feet to deal Attack Damage and taunt the target, while gaining 5 layers of Lightforged Barrier.
Multipliers:
  • Total Damage: 400% ATK +416 (Resilience Break: 745)

[Lightforged Barrier]: Each stack increases the final Max HP by 2%. You can have up to 10 stacks of Lightforged Barrier, and any damage taken will consume 1 stack. It lasts for 25s or until all stacks are consumed. Gaining stacks resets the duration.

[Taunt]: Forcing enemy monsters to attack oneself

Expertise 5

Radiance

Tags: Expertise Skill, Protect

Unwavering resolve is gained, initiating the hurling of 5 shields toward the nearest enemy targets within a 10-meter radius, with priority given to those in closest proximity. Attack Damage is inflicted, and interruptions are applied to the targets. Subsequently, a single shield is thrown at 2s intervals, with 1 throw yielding 10 Photon Energy. In the next 10s, reduces each instance of DMG taken by a specified percentage of Max HP (up to a certain proportion of ATK), and any High-threat Skills encountered during this period are automatically counterattacked.
Multipliers:
  • Total Damage: 120% ATK +12 (Resilience Break: 312)
  • Reduction Ratio: 10% Max HP
  • Reduction Limit: 80% ATK
  • CD: 70s
Expertise 6

Aegis Ward

Tags: Expertise Skill, Protect, Healing

Summon Aegis Ward to shield yourself, automatically counterattacking High-threat Skills while increasing Armor and DMG Reduction. If you would suffer fatal DMG while active, this status is consumed to prevent death and immediately restore 25% HP.
Multipliers:
  • Armor Up: 1000
  • Defense: 20%
  • Duration: 45s
  • CD: 45s
Expertise 7

Zeal Crusade

Tags: Expertise Skill, Physical, Light, DOT, AoE, Melee

Consumes up to 8 stacks of Lightforged Barrier, summoning continuous radiant energy to spiral rapidly around you. Each second, it deals Attack Damage to nearby enemies and grants 1 stack of Lightforged Barrier.
Each time it deals DMG to 1 target, restores 1% max HP (up to 5%). When activated, each stack of Lightforged Barrier adds 2s to the duration, up to a maximum of 16s.
Multipliers:
  • Single Hit Damage: 100% ATK +10 (Resilience Break: 841)
  • CD: 45s

[Lightforged Barrier]: Each stack increases the final Max HP by 2%. You can have up to 10 stacks of Lightforged Barrier, and any damage taken will consume 1 stack. It lasts for 25s or until all stacks are consumed. Gaining stacks resets the duration.

Expertise 8

Divine Circle

Tags: Expertise Skill, Physical, Light, DOT, HOT, AoE, Melee

Creates a holy zone beneath your feet, healing yourself every second and healing allies in the area slightly, dealing Attack Damage to enemies.
Multipliers:
  • Total Damage: 96% ATK +12 (Resilience Break: 288)
  • Total Healing: 348% ATK +24
  • CD: 30s

Talents

Talents

Coming soon!

Builds

Builds

Coming soon!

How To Play

How To Play

Coming soon!

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