From MU Online Guides and Tutorials
Atlas+Arthur+Ares combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves, Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Agility +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Arthur Excalibur (Sword+Pendant of Ability)
Increases Critical Damage Rate 10%
Increases Excellent Damage Rate 10%
Double Damage Rate 15%
Increase Wizardry Dmg +35%
Ares Flame of Infinity (Sword+Ring of Ice)
Increases Critical Damage Rate 10%
Double Damage Rate 10%
Increases Excellent Damage Rate 10%

Increases Damage +250
Increases Stamina Recover Rate +250
Increases Maximum Stamina +250
Increases Agility +250
Increases Critical Damage Rate 75%
Increases Excellent Damage Rate 75%
Double Damage Rate 80%
Decreases opponent’s defense rating +40%
Increases Wizardry Dmg +35%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Arthur+Sacred combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Arthur Excalibur (Sword+Pendant of Ability)
Increases Critical Damage Rate 10%
Increases Excellent Damage Rate 10%
Double Damage Rate 15%
Increase Wizardry Dmg +35%
Sacred Mace of the King (Mace+Ring of Wind)
Increases Skill Attacking Rate +125
Double Damage Rate 10%

Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 65%
Increases Excellent Damage Rate 65%
Double Damage Rate 80%
Decreases opponent’s defense rating +40%
Increase Wizardry Dmg +35%
Increases Skill Attacking Rate +125

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Ares+Sacred combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Ares Flame of Infinity (Sword+Ring of Ice)
Increases Critical Damage Rate 10%
Double Damage Rate 10%
Increases Excellent Damage Rate 10%
Sacred Mace of the King (Mace+Ring of Wind)
Increases Skill Attacking Rate +125
Double Damage Rate 10%

Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 65%
Increases Excellent Damage Rate 65%
Double Damage Rate 75%
Decreases opponent’s defense rating +40%
Increases Skill Attacking Rate +125

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Arthur+Kantata combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Arthur Excalibur (Sword+Pendant of Ability)
Increases Critical Damage Rate 10%
Increases Excellent Damage Rate 10%
Double Damage Rate 15%
Increase Wizardry Dmg +35%
Kantata (Ring of Wind+Ring of Poison)
Double Damage Rate 10%

Increases Critical Damage Rate 10%
Increases Excellent Damage Rate 10%
Double Damage Rate 80%
Increases Wizardry Dmg +35%
Increases Damage +250
Increases Stamina Recover Rate +250
Increases Maximum Stamina +250
Increases Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Decreases opponent’s defense rating +40%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Ares+Tyr combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Ares Flame of Infinity (Sword+Ring of Ice)
Increases Critical Damage Rate 10%
Double Damage Rate 10%
Increases Excellent Damage Rate 10%
Tyr (Rune Blade+Pendant of Lightning)
Double Damage Rate 15%

Increases Damage +250
Increases Stamina Recover Rate +250
Increases Maximum Stamina +250
Increases Maximum Health +250
Increases Critical Damage Rate 65%
Increases Excellent Damage Rate 65%
Double Damage Rate 80%
Decreases opponent’s defense rating +40%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Tyr+Sacred combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Tyr (Rune Blade+Pendant of Lightning)
Double Damage Rate 15%
Sacred Mace of the King (Mace+Ring of Wind)
Increases Skill Attacking Rate +125
Double Damage Rate 10%

Increases Skill Attacking Rate +125
Increases Damage +250
Increases Stamina Recover Rate +250
Increases Maximum Stamina +250
Increases Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 80%
Decreases opponent’s defense rating +40%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Tyr+Kantata combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Tyr (Rune Blade+Pendant of Lightning)
Double Damage Rate 15%
Kantata (Ring of Wind+Ring of Poison)
Double Damage Rate 10%

Increases Damage +250
Increases Stamina Recover Rate +250
Increases Maximum Stamina +250
Increases Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 80%
Decreases opponent’s defense rating +40%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Eplete+Ares combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves, Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Eplete (Plate Shield+Pendant of Lightning)
Increase defensive skill when using shield weapons 15%
Ares Flame of Infinity (Sword+Ring of Ice)
Increases Critical Damage Rate 10%
Double Damage Rate 10%
Increases Excellent Damage Rate 10%

Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 65%
Increases Excellent Damage Rate 65%
Double Damage Rate 65%
Decreases opponent’s defense rating +40%
Increase defensive skill when using shield weapons 15%

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
Atlas+Eplete+Sacred combination
Combination Parts and Options 
Summary Unlocked Options

Atlas Brave (Helm, Armor, Pants, Gloves, Boots)
Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 55%
Decreases opponent’s defense rating +40%
Eplete (Plate Shield+Pendant of Lightning)
Increase defensive skill when using shield weapons 15%
Sacred Mace of the King (Mace+Ring of Wind)
Increases Skill Attacking Rate +125
Double Damage Rate 10%

Increase Damage +250
Increase Stamina Recover Rate +250
Increase Maximum Stamina +250
Increase Maximum Health +250
Increases Critical Damage Rate 55%
Increases Excellent Damage Rate 55%
Double Damage Rate 65%
Decreases opponent’s defense rating +40%
Increase defensive skill when using shield weapons 15%
Increases Skill Attacking Rate +125

Note:
 In game the ancient options of the set show differently in the options menu, but they work perfectly.
 You can check each item/set's articles for more detailed information.
See also
Atlas Brave Set
Arthur's Excalibur Set
Ares Flame of Infinity
Sacred Mace of the King Set
Tyr Thunder Hawk Set
Kantata Plate Set