Mu Mastery

Overview

Mu Mastery is one of the Patron Power Pools.

Scirocco will instruct you on the Way of Mu, ancient techniques that give access to the lightning-based powers of the ancient race.

Power Tables

The following table shows which powers are available and at what level:

Arachnos Soldier / Arachnos Widow / Brute / Tanker

Power	Level	Effect
Mu Lightning	35	Ranged, High DMG(Energy), Foe -End
Electrifying Fences	35	Ranged (Targeted AoE), Minor DoT(Energy), Foe Immob, -End
Ball Lightning	38	Ranged (Targeted AoE), Moderate DoT(Energy), Foe -End
Static Discharge	41	Ranged (Cone), Moderate DMG(Energy), Foe -End
Summon Striker	44	Summon Mu Striker: Ranged Moderate DMG(Energy)

Blaster

Power	Level	Effect
Static Discharge	35	Ranged (Cone), Moderate DMG(Energy), Foe -End
Charged Armor	35	Toggle: Self +Res(Smash, Lethal, Energy)
Summon Adept	38	Summon Mu Adept: Ranged Moderate DMG(Energy)
Electrifying Fences	41	Ranged (Targeted AoE), Minor DoT(Energy), Foe Immobilize, -End
Electric Shackles	44	Ranged, Minor DMG(Energy), Foe Hold, -End

Controller / Dominator

Power	Level	Effect
Power Sink	35	PBAoE, Self +End, Foe -End
Charged Armor	35	Toggle: Self +Res(Smash, Lethal, Energy)
Ball Lightning	38	Ranged (Targeted AoE), Moderate DoT(Energy), Foe -End
Surge of Power	41	Self +Res(Special)
Summon Guardian	44	Summon Mu Guardian: Ranged Moderate DMG(Energy)

Corruptor / Defender

Power	Level	Effect
Power Sink	35	PBAoE, Self +End, Foe -End
Charged Armor	35	Toggle: Self +Res(Smash, Lethal, Energy)
Conserve Power	38	Self End Discount
Electric Shackles	41	Ranged, Minor DMG(Energy), Foe Hold, -End
Summon Adept	44	Summon Mu Adept: Ranged Moderate DMG(Energy)

Mastermind

Power	Level	Effect
Static Discharge	35	Ranged (Cone), Moderate DMG(Energy), Foe -End
Charged Armor	35	Toggle: Self +Res(Smash, Lethal, Energy)
Electrifying Fences	38	Ranged (Targeted AoE), Minor DoT(Energy), Foe Immobilize, -End
Thunder Strike	41	Melee(AoE), High DMG(Smash, Energy), Foe Disorient, Knockback, -End
Electric Shackles	44	Ranged, Minor DMG(Energy), Foe Hold, -End

Scrapper / Stalker

Power	Level	Effect
Mu Bolts	35	Ranged, Moderate DMG(Energy), Foe -End
Zapp	35	Sniper, Extreme DMG(Energy), Foe -End
Ball Lightning	38	Ranged (Targeted AoE), Moderate DoT(Energy), Foe -End
Electric Shackles	41	Ranged, Minor DMG(Energy), Foe Hold, -End
Summon Adept	44	Summon Mu Adept: Ranged Moderate DMG(Energy)

Sentinel

Power	Level	Effect
Electrifying Fences	35	Ranged (Targeted AoE), Minor DoT(Energy), Foe Immobilize, -End
Thunder Strike	35	Melee (AoE), High DMG(Smash, Energy), Foe Disorient, Knockback
Electric Shackles	38	Ranged, Minor DMG(Energy), Foe Hold, -End
Static Discharge	41	Ranged (Cone), Moderate DMG(Energy), Foe -End
Summon Adept	44	Summon Mu Adept: Ranged Moderate DMG(Energy)

Powers

The following are powers in the Mu Mastery powerset.

Ball Lightning

Hurls a highly charged ball of Mu lightning that explodes on contact. Ball Lightning deals good damage in an area of effect, and drains some Endurance from each target it hits. You must be level 41 and have one of the following powers before selecting this power.

Arachnos Soldiers/Arachnos Widows/Brutes/Tankers: Mu Lightning or Electrifying Fences

Controllers/Dominators: Power Sink or Charged Armor

Scrappers/Stalkers: Mu Bolts or Zapp

Damage Moderate Damage over Time(Energy) Recharge Long Minimum Level 41 (Arachnos Soldier) 41 (Arachnos Widow) 41 (Brute) 41 (Controller) 41 (Dominator) 41 (Scrapper) 41 (Stalker) 41 (Tanker) Effects Ranged (Targeted Area of Effect) Foe -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Range Increase Attack Rate Set Categories Ranged AoE Damage Endurance Modification Universal Damage

Charged Armor

When you toggle on this power, you are surrounded by a charged field that makes you highly resistant to Smashing, Lethal, and Energy damage.

Recharge Fast Minimum Level 35 (Blaster) 35 (Controller) 35 (Corruptor) 35 (Defender) 35 (Dominator) 35 (Mastermind) Effects Toggle: Self +Resistance(Smashing, Lethal, Energy) Enhancements Enhance Damage Resistance Reduce Endurance Cost Increase Attack Rate Set Categories Resist Damage

Conserve Power

You can focus for a moment to Conserve your Endurance. After activating this power, you expend less endurance on all other powers for a while. You must be level 41 and have Power Sink or Charged Armor before selecting this power.

Recharge Very Long Minimum Level 41 (Corruptor) 41 (Defender) Effects Self Endurance Discount Enhancements Reduce Endurance Cost Increase Attack Rate Set Categories None

Electric Shackles

Electric Shackles binds a foe's limbs, leaving the target Held and helpless. The target is drained of some Endurance and some of that Endurance may be transferred back to you. You must meet the following requirements before selecting this power:

Blasters/Masterminds: Two other Mu Mastery Powers (Level 44)

Corruptors/Defenders: Power Sink or Charged Armor (Level 41)

Scrappers/Sentinels/Stalkers: Mu Bolts or Zapp (Level 41)

Note: You cannot get Critical strikes using this power, though it still enables your other attacks to Critical.

Damage Minor(Energy) Recharge Long Scrappers/Sentinels/Stalkers: Moderate Minimum Level 44 (Blaster) 41 (Corruptor) 41 (Defender) 44 (Mastermind) 41 (Scrapper) 41 (Sentinel) 41 (Stalker) Effects Ranged Foe Hold, -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Hold Duration Enhance Range Increase Attack Rate Set Categories Ranged Damage Endurance Modification Holds Universal Damage

Electrifying Fences

The Electrifying Fences attempts to Immobilize a group of foes in an area. This power deals some Energy damage over time as it slowly drains some Endurance. You must be level 41 and have one of two Mu Mastery powers (see chart below) before selecting this power (Blasters/Masterminds only):

Blasters: Static Discharge or Charged Armor

Masterminds: Thunder Strike or Charged Armor

Damage Moderate Damage Over Time(Energy) Recharge Slow Minimum Level 35 (Arachnos Soldier) 35 (Arachnos Widow) 41 (Blaster) 35 (Brute) 41 (Mastermind) 35 (Sentinel) 35 (Tanker) Effects Ranged (Targeted Area of Effect) Foe Immobilize, -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Immobilization Duration Enhance Range Increase Attack Rate Set Categories Ranged AoE Damage Endurance Modification Immobilize Universal Damage

Mu Bolts

You can quickly hurl small bolts of Mu electricity at foes, dealing some damage and draining some Endurance. Some of this Endurance may transfer back to you. Mu Bolts deals light damage, but recharges quickly.

Damage Moderate(Energy) Recharge Fast Minimum Level 35 (Scrapper) 35 (Stalker) Effects Ranged Foe -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Range Increase Attack Rate Set Categories Ranged Damage Endurance Modification Universal Damage

Mu Lightning

You can send a large blast of Mu electrical energy at a foe, dealing heavy damage and draining some Endurance. Some of this Endurance may transfer back to you.

Damage High(Energy) Recharge Fast Minimum Level 35 (Arachnos Soldier) 35 (Arachnos Widow) 35 (Brute) 35 (Tanker) Effects Ranged Foe -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Range Increase Attack Rate Set Categories Ranged Damage Endurance Modification Universal Damage

Power Sink

Power Sink leeches Energy directly from the bodies of all nearby foes, draining their Endurance. Each foe you draw energy from increases your Endurance. If there are no foes within range, you will not gain any Endurance.

Recharge Long Minimum Level 35 (Controller) 35 (Corruptor) 35 (Defender) 35 (Dominator) Effects Point Blank Area of Effect Self +Endurance Foe -Endurance Enhancements Enhance Endurance Modification Reduce Endurance Cost Increase Attack Rate Enhance Taunt Effectiveness Set Categories Endurance Modification

Static Discharge

Hurls multiple bolts of Mu electricity in an arc that deals damage and drains Endurance from all affected foes in the area. You must be level 41 and have Mu Lightning or Electrifying Fences before selecting this power (except Blasters/Masterminds).

Damage Moderate(Energy) Recharge Long Minimum Level 41 (Arachnos Soldier) 41 (Arachnos Widow) 35 (Blaster) 41 (Brute) 35 (Mastermind) 41 (Sentinel) 41 (Tanker) Effects Ranged (Cone) Foe -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Range Increase Attack Rate Set Categories Ranged AoE Damage Endurance Modification Universal Damage

Summon Adept

Scirocco has shown you how to call upon a mystical Mu Adept to assist you. The Mu pulse with the blood of their slaughtered ancestors in their veins, and are well practiced in the dark arts. Your access to this Adept is very limited. You can only summon him once every 15 minutes and he will leave after 4 minutes, or if you exit a zone or mission. You must meet the following requirements before selecting this power:

Blasters: Static Discharge or Charged Armor (Level 41)

Corruptors/Defenders/Scrappers/Sentinels/Stalkers: Two other Mu Mastery Powers (Level 44)

Damage Moderate(Energy) Recharge Extremely Long Minimum Level 41 (Blaster) 44 (Corruptor) 44 (Defender) 44 (Scrapper) 44 (Sentinel) 44 (Stalker) Effects Summon Mu Adept: Ranged Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Heal Enhance Hold Duration Increase Attack Rate Enhance Sleep Duration Set Categories Pet Damage Recharge Intensive Pets Endurance Modification Universal Damage

Summon Guardian

Scirocco has shown you how to call upon a mystical Mu Guardian to assist you. The Mu pulse with the blood of their slaughtered ancestors in their veins, and are well practiced in the dark arts. Your access to this Guardian is very limited. You can only summon him once every 15 minutes and he will leave after 4 minutes, or if you exit a zone or mission. You must be level 44 and have two other Mu Mastery Powers before selecting this power.

Damage Moderate(Energy) Recharge Extremely Long Minimum Level 44 (Controller) 44 (Dominator) Effects Summon Mu Guardian: Ranged Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Heal Enhance Hold Duration Increase Attack Rate Set Categories Pet Damage Recharge Intensive Pets Endurance Modification Universal Damage

Summon Striker

Scirocco has shown you how to call upon a mystical Mu Striker to assist you. The Mu pulse with the blood of their slaughtered ancestors in their veins, and are well practiced in the dark arts. Your access to this Striker is very limited. You can only summon him once every 15 minutes and he will leave after 4 minutes, or if you exit a zone or mission. You must be level 44 and have two other Mu Mastery Powers before selecting this power.

Damage Moderate(Energy) Recharge Extremely Long Minimum Level 44 (Arachnos Soldier) 44 (Arachnos Widow) 44 (Brute) 44 (Tanker) Effects Summon Mu Striker: Ranged Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Enhance Heal Enhance Hold Duration Increase Attack Rate Set Categories Pet Damage Recharge Intensive Pets Endurance Modification Universal Damage

Surge of Power

When you activate this power, you transform your body into living Electricity and become extremely resistant to all damage but Psionics, and your Endurance recovery is also increased. Expending all this energy will leave you exhausted, drained of all your endurance and unable to recover endurance for a short time. You must be level 41 and have Power Sink or Charged Armor before selecting this power.

Recharge Very Long Minimum Level 41 (Controller) 41 (Dominator) Effects Self +Resistance(Special) Enhancements Enhance Damage Resistance Enhance Endurance Modification Reduce Endurance Cost Increase Attack Rate Set Categories Resist Damage Endurance Modification

Thunder Strike

A massive attack. You smash your foes with all the power of a lightning bolt. The pummeled victim takes tremendous damage and may be Disoriented. Any nearby foes may be knocked down and take some damage from the shockwave, as well as have some endurance drained. You must be level 41 and have Thunder Strike or Charged Armor before selecting this power (Masterminds only).

Damage High(Smashing/Energy) Recharge Slow Minimum Level 35 (Sentinel) 41 (Mastermind) Effects Melee(Area of Effect) Foe Disorient, Knockback, -End (Masterminds only) Enhancements Enhance Accuracy Enhance Damage Reduce Endurance Cost Enhance Knockback Distance Increase Attack Rate Enhance Disorient Duration Enhance Taunt Effectiveness (Masterminds only) Set Categories Melee AoE Damage Knockback Stuns Universal Damage

Zapp

A focused blast of Mu electrical energy that can travel great distances with high Accuracy. Zapp drains Endurance, some of which may transfer back to you. This is a sniper attack, and is best fired from a distance as it can be interrupted. If you are engaged in battle this attack becomes instant-cast. If you are not engaged, it will do bonus damage.

Damage Extreme(Energy) Recharge Slow Minimum Level 35 (Scrapper) 35 (Stalker) Effects Sniper Foe -Endurance Enhancements Enhance Accuracy Enhance Damage Enhance Endurance Modification Reduce Endurance Cost Reduce Interrupt Time Enhance Range Increase Attack Rate Set Categories Ranged Damage Endurance Modification Sniper Attacks Universal Damage

Historical

This section contains information about changes that took place in City of Heroes/Villains. It is provided for historical purposes.

• This set was added to the game in Issue 7.
• This set was included with the release of Arachnos Soldiers and Arachnos Widows in Issue 12.
• Arachnos Soldiers, Arachnos Widows, and Brutes were granted access to Static Discharge in Issue 16.
• This set was Proliferated to Hero Archetypes in Issue 18.
• In Issue 21, All Epic Power Pools became accessible at level 35, and the level requirements for the powers were lowered to match.
• This set was included with the release of Sentinels in Issue 25.

External Links

• Mu Mastery for Arachnos Soldiers at City of Data v2.0
• Mu Mastery for Arachnos Widows at City of Data v2.0
• Mu Mastery for Blasters at City of Data v2.0
• Mu Mastery for Brutes at City of Data v2.0
• Mu Mastery for Controllers at City of Data v2.0
• Mu Mastery for Corruptors at City of Data v2.0
• Mu Mastery for Defenders at City of Data v2.0
• Mu Mastery for Dominators at City of Data v2.0
• Mu Mastery for Masterminds at City of Data v2.0
• Mu Mastery for Scrappers at City of Data v2.0
• Mu Mastery for Sentinels at City of Data v2.0
• Mu Mastery for Stalkers at City of Data v2.0
• Mu Mastery for Tankers at City of Data v2.0