The Dark Knight of MU Online is the game's original melee class — the one on the box art, and still the measuring stick every later melee class is judged against. This guide covers him end to end: the skills read from the game's own files, the skill tree, all four official builds, the gear ladder, wings from our server's item table, and how he plays on a live server today.
| Dark Knight at a glance | |
|---|---|
| Since | Launch — the original class, live on every file since |
| Base stats | Str 28 / Agi 20 / Sta 25 / Ene 10 — 5 points per level |
| Growth | +2 HP per level, +3 HP per Sta — the tankiest growth line |
| Weapons | Swords — two-handed, dual-wield, or sword and shield |
| Builds | Four official ratios — attacker, shield, defense bait, support |
| Party trios | Dark Knight + Dark Wizard + Fairy Elf, and Rune Wizard + Magic Gladiator + Dark Knight |
Who the Dark Knight is
He is the game's first class: a knight of Loren Deep who fights Kundun with swordsmanship rather than magic. His ladder runs Dark Knight → Blade Knight → Blade Master → Dragon Knight → Ignition Knight — and unlike most classes, he is the only one whose official build table has four entries, because his stat spread genuinely supports four different jobs.
The skills, with the client's numbers
The classic bar read from the skill table our client and server run — level, mana, and what each is for:
| Skill | Level | Mana | What it does |
|---|---|---|---|
| Falling Slash | early | low | The first swing that hits a whole pack |
| Twisting Slash | early | low | The spin — the Dark Knight's signature clear for twenty years |
| Death Stab | 160 | 70 | The single-target pierce — client-verified, the boss killer |
| Fire Blow | 160 | 150 | The elemental strike line from the client's table |
| Anger Blow | 170 | 60 | The late spike, and the reason to hold points for 170 |
| Combo | — | — | Weapon skill → Death Stab → Anger Blow in sequence — the class's ceiling, unlocked by the quest line |
The Combo deserves its own line: chain a weapon skill into Death Stab into Anger Blow and the three hits land as one multiplied strike. It is the single highest burst in classic MU and the reason the class never fell off.
The skill tree, from the client's own tree files
The client ships his enhancement rows as data, and his fourth-class tree feeds the attacks that matter:
| Tree row | Unlocks | Mana |
|---|---|---|
| Death Stab Enhancement | 160 | 70 |
| Fire Blow Enhancement | 160 | 150 |
| Anger Blow Enhancement | 170 | 60 |
The 4th-tree tooltip rows name his damage nodes directly — Blow, Fire Blow, Greater Fortitude HP boost and Flame — so a tree built around Death Stab damage and the Fortitude line is the default, with the debuff fields (bleeding and freeze) hanging off the connected attacks.
Four official builds — and they are all real
His official build table is the widest in the game:
| Build | Ratio (Str / Agi / Sta / Ene) | What it plays like |
|---|---|---|
| Two-sword attacker | 55% / 30% / 10% / 5% | Critical hits and combo attacks with two swords — the damage pick |
| Sword and shield | 40% / 30% / 20% / 10% | Defence and attack in balance — the default for leveling |
| Defense bait | 10% / 60% / 20% / 10% | Agility-trained body that soaks hits in clan battles |
| Party support | 5% / 20% / 45% / 30% | Swell Life buffing — a Dark Knight built for the party window |
Pick the first if you play alone and fast, the second if you're new, the third if your clan needs a frontline, and the fourth if you always roll with a party. On a server with stats capped at 32,700, the endgame melts them together anyway — the builds matter most on the climb.
Gear: the Dragon set to today
His armour ladder is the game's oldest: Leather, Bronze, Scale, Brass, Plate, and the named sets — Dragon above them, the Season 1 icon — then the modern mastery and Legendary tiers. Swords follow the same climb from Short Sword through the two-handed line; the Moros's Scale set is his level-1 starter set on current files. Two rules of thumb: two-handed swords for the attacker builds (bigger combo numbers), sword-and-shield for the shield and bait builds.
The wing ladder, with server numbers
The melee ladder — shared with the classes that followed him — levels and defence read straight from our server's item table:
| Wings | Level | Defence | Notes |
|---|---|---|---|
| Wings of Satan | 150 | 20 | Shared with Magic Gladiator and Slayer |
| Wings of Dragon | 215 | 45 | Shared with Slayer |
| Wings of Chaos | 290 | 46 | Shared with Magic Gladiator and Slayer |
| Wings of Storm | 400 | 60 | Exclusive — the third-class wing |
| Devil Wings | 800 | 170 | Exclusive — the fourth-class wing |
| Wings of Destruction | 1200 | 175 | Exclusive — the fifth-class wing, the top of the ladder on current files |
The party trios
He is in the two most classic trios in the game: Dark Knight + Dark Wizard + Fairy Elf — the launch-day party — and Rune Wizard + Magic Gladiator + Dark Knight. PvE he is the front of the party: spin the pack, Combo the elite. PvP the two-sword build's crit Combo has decided castle sieges for two decades.
Play the Dark Knight on a live server
The Dark Knight is live and directly selectable on our Season 22 server — high exp, max stats 32,700, events and mini-bosses all day.
- Create your account — it takes about a minute
- Download the client and pick the Dark Knight on the creation screen
- New to MU Online entirely? Start with how to start — and the Season 1 guide is his home era
Every skill on the bar, read from our server's own files
The complete list, pulled straight from the skill table our server runs — level to learn, base damage, mana and AG cost, range, the stat gate, the +1-damage-per-X scaling and the imprint value. If another site disagrees with a number here, ours is the one the server actually uses.
| Skill | Level | Damage | Mana | AG | Range | Gate | +1 dmg per | Imprint |
|---|---|---|---|---|---|---|---|---|
| Archangel's will | — | — | 100 | 150 | 0 | — | — | — |
| Crescent Moon Slash | — | 90 | 22 | 15 | 4 | — | — | +100% |
| Cyclone | — | — | 9 | 0 | 2 | — | 30 Strength | — |
| Defense | — | — | 30 | 0 | 0 | — | — | — |
| Falling Slash | — | — | 9 | 0 | 3 | — | 30 Strength | — |
| Lunge | — | — | 9 | 0 | 2 | — | 30 Strength | — |
| Slash | — | — | 10 | 0 | 2 | — | 30 Strength | — |
| Stun | — | — | 70 | 50 | 2 | — | — | — |
| Swell Mana | — | — | 35 | 30 | 0 | — | — | — |
| Twisting Slash | — | — | 10 | 10 | 2 | — | 40 Strength | — |
| Uppercut | — | — | 8 | 0 | 2 | — | 30 Strength | — |
| Fire Breath | 110 | 30 | 9 | 0 | 3 | — | — | +130% |
| Solid Protection | 120 | — | 65 | 20 | 0 | ENE 1052 | — | — |
| Strong Belief | 120 | — | 80 | 25 | 0 | ENE 1040 | — | — |
| Swell Life | 120 | — | 22 | 24 | 0 | — | — | — |
| Sword's Fury | 120 | — | 21 | 17 | 0 | STR 1060 | — | — |
| Sword Blow | 150 | 350 | 15 | 10 | 6 | STR 1090 | 100 Strength | +130% |
| Death Stab | 160 | 70 | 15 | 3 | 3 | — | 100 Strength | +130% |
| Fire Blow | 160 | 150 | 14 | 4 | 4 | STR 1090 | 100 Strength | +130% |
The master skill tree (3rd class), node by node
Unlocked at the third class change (level 400); every level from 400 to 800 grants one point. Three branches, with the node names read from our server's own tree file:
Defense branch: Durability Reduction (1), PvP Defense Rate Increase, Maximum SD increase, Auto Mana Recovery Increase, Durability Reduction (2), SD Recovery Speed Increase, Automatic HP Recovery Increase, Defense Increase, Elemental DEF Increase, Automatic AG Recovery Increase, Durability Reduction (3), Defense Success Rate Increase, Armor Set Bonus Increase, Vengeance, Energy Increase, Stamina Increase, Agility Increase, Strength Increase, Eternal Wings Defense PowUp, Protection Shield, Eternal Wings Attack PowUp, Steel Armor, Shield Block
Attack branch: Attack Success Rate Increase, Flame Strengthener, Lightning Strengthener, Expansion of Wizardry Power Up, Inferno Strengthener, Blast Strengthener, Expansion of Wizardry Mastery, Evil Spirit Strengthener, Magic Mastery, Maximum Life Increase, Decay Strengthener, Hellfire Strengthener, Maximum Mana Increase, Ice Strengthener, Meteor Strengthener, Maximum AG Increase, Ice Storm Strengthener, Nova Strengthener, Max HP Boost, Earth Prison, Illusion, Earth Prison Strengthener
Weapon branch: Attack Rate, One-handed Staff Strengthener, Two-handed Staff Strengthener, Shield Strengthener, One-handed Staff Mastery, Two-handed Staff Mastery, Shield Mastery, Soul Barrier Strengthener, Mana Reduction, Monster Attack SD Increment, Monster Attack Life Increment, Soul Barrier Proficiency, Minimum Wizardry Increase, Monster Attack Mana Increment, Soul Barrier Mastery, Maximum Wizardry Increase, Increases critical damage rate, Restores all Mana, Restores all HP, Absorb Life, Increases excellent damage rate, Grand Magic PowUp, Restores all SD, Increases double damage rate, SD Absorption, Increases chance of ignore Def
What each stat point does
The classic MU formulas, with this class's damage stat in the first row. Per-point HP and mana are in the table at the top of the page.
| Stat | What each point gives |
|---|---|
| Strength (damage stat) | +1 max damage per 4 points, +1 min damage per 7 |
| Agility (everyone) | +1 defense per 3 points, +1 defense rate per 4, +1 attack speed per 20 |
| AG (skill stamina) | +1 per 3 Agility, per 4 Vitality, per 5 Strength; +0.15 per Energy |
| SD (shield) | +1.2 per stat point and per level; +1 per 2 defense |
Class specialization and the EXP party
Two systems the stat screen never explains. First, specialization: as the class damage stat climbs past 1,500 and then 2,000, the character earns bonus damage on the same skill set — up to +45% at the top tier. Second, the classic EXP party: parties built as Dark Knight + Dark Wizard + Fairy Elf earn bonus EXP while hunting together — on top of the combat trios listed above.
Ability cards (5th class): Sword Blow of Saturation, Destruction of Gale.
MU Online Dark Knight FAQ
What is the Dark Knight in MU Online?
The Dark Knight is the game's original melee class: a swordfighter from launch day whose ladder runs Dark Knight → Blade Knight → Blade Master → Dragon Knight → Ignition Knight. He has the widest official build table in the game — four distinct roles.
How do you unlock the Dark Knight?
You don't — he is a base class, selectable from the very first character screen on any server.
What weapons does the Dark Knight use?
Swords: two-handed swords for the attacker builds, dual swords for crit combos, or sword-and-shield for the balanced and defense builds.
What is the best Dark Knight build?
55% Strength / 30% Agility / 10% Stamina / 5% Energy with two swords is the damage pick; 40/30/20/10 with shield is the safer default. Agility-bait and Swell Life support builds exist for clan and party play.
What is the Dark Knight combo?
Chain a weapon skill into Death Stab into Anger Blow — the three hits land as one multiplied strike, the highest classic burst in the game.
Is the Dark Knight good for PvE or PvP?
PvE he fronts the party: Twisting Slash packs, Combo the elite. PvP the crit Combo has been deciding castle sieges since launch.
Which classes party with the Dark Knight?
Dark Knight + Dark Wizard + Fairy Elf (the launch trio) and Rune Wizard + Magic Gladiator + Dark Knight.