Mana regeneration

Mana regeneration (also known as MP5) is a stat similar to health regeneration which determines the amount of mana a champion regenerates over a five-second period. This happens in half-second intervals.

Each champion that uses mana starts with a certain base rate of mana regeneration, which increases by a small amount at each level-up.

Mana regeneration can be further increased by a variety of items, abilities, runes and neutral buffs. It stacks additively, and each bonus point acquired directly affects its statistic. This is true whether the bonus is a flat value or percentage-based.

Gold Value

• Flat mana regeneration has a gold value of  60 per point.
• Percentage base mana regeneration has a gold value of  5 per point.

Reducing Mana Spent

Items

• Archangel's Staff Archangel's Staff
• Manamune Manamune
• Muramana Muramana
• Seraph's Embrace Seraph's Embrace
• Tear of the Goddess Tear of the Goddess

Restoring Mana

The following will restore mana when triggering an effect:

Items

• Ancient Coin Ancient Coin and its upgrades (Nomad's Medallion Nomad's Medallion, Talisman of Ascension Talisman of Ascension, Eye of the Oasis Eye of the Oasis)
• Catalyst of Aeons Catalyst of Aeons and its upgrades (Abyssal Mask Abyssal Mask, Hextech GLP-800 Hextech GLP-800, Rod of Ages Rod of Ages)
• Doran's Ring Doran's Ring
• Essence Reaver Essence Reaver
• Lost Chapter Lost Chapter
• Morellonomicon Morellonomicon
• Runic Echoes Runic Echoes

Champion abilities

• Annie's Disintegrate
• Bard's Traveler's Call Traveler's Call
• Cho'Gath's Cho'Gath's Carnivore Carnivore
• Cassiopeia's Cassiopeia's Twin Fang Twin Fang
• Darius' Darius' Crippling Strike Crippling Strike
• Diana's Diana's Moonsilver Blade Moonsilver Blade
• Fizz's Fizz's Seastone Trident Seastone Trident
• Irelia's Bladesurge Bladesurge
• Jayce's Jayce's Lightning Field Lightning Field
• Karthus' Karthus' Defile Defile
• Kassadin's Kassadin's Nether Blade Nether Blade
• Malzahar's Malzahar's Malefic Visions Malefic Visions
• Sivir's Spell Shield Spell Shield
• Swain's Swain's Carrion Renewal Carrion Renewal
• Twisted Fate's Twisted Fate's Blue Card Blue Card
• Varus' Varus' Piercing Arrow Piercing Arrow
• Xerath's Mana Surge Mana Surge and Arcanopulse Arcanopulse

Runes

• Manaflow Band Manaflow Band
• Presence of Mind

Summoner spells

• Clarity Clarity

General

• Leveling up will restore some mana.

Map-related

• On Summoner's Rift, Twisted Treeline and Crystal Scar, standing the summoning platform restores mana each second.
• Picking a Health Relic on the Howling Abyss.
• Picking a Ghost Relic on Twisted Treeline.
• Picking a Health Relic on the Crystal Scar.
• On Summoner's Rift by slaying a monster that has Healing Sigil (20px Ancient Krug, 20px Crimson Raptor, 20px Greater Murk Wolf, 20px Gromp and 20px Rift Scuttler).

Increasing Mana Regeneration

Items

• Guardian's Orb Guardian's Orb
• Hunter's Talisman Hunter's Talisman
• Stalker's Blade Stalker's Blade
• Skirmisher's Sabre Skirmisher's Sabre
• Tracker's Knife Tracker's Knife

Consumables

• Corrupting Potion Corrupting Potion
• Elixir of Sorcery Elixir of Sorcery
• Hunter's Potion Hunter's Potion
• Mana Potion Mana Potion
• Total Biscuit of Everlasting Will Total Biscuit of Everlasting Will
• Travel Size Elixir of Sorcery Travel Size Elixir of Sorcery

Champion abilities

• Singed's Singed's Insanity Potion Insanity Potion
• Skarner's Skarner's Crystal Spires Crystal Spires

Runes

• Biscuit Delivery Biscuit Delivery
• Kleptomancy Kleptomancy

Neutral buffs

• Crest of Insight Crest of Insight
• 20px Heart of Oceans

Map-related

• Crystal Scar grants 2% bonus mana regeneration for every 1% of missing mana.
• Howling Abyss grants bonus mana regeneration equal to 0.75% of your maximum mana.
• Twisted Treeline grants 0.66% bonus mana regeneration for every 1% of missing mana.

List of champions' mana regeneration

Trivia

Last updated: January 19, 2017 - V7.1

• What may be the highest mana regeneration attainable on Summoner's Rift is 3620 mana per 5 seconds, with a level 18 Ryze Ryze thanks to his passive Arcane Mastery Arcane Mastery, which allows him to have the biggest mana pool in the game. All the following calculations are based on mana regeneration per 5 seconds.

• Base stats: +23 mana regeneration, +1250 mana
• Runes:
  • 9 × List of runes Scaling Marks of Mana (+9 × 21.06 mana)
  • 9 × List of runes Scaling Seals of Mana (+9 × 21.06 mana)
  • 9 × List of runes Scaling Glyphs of Mana (+9 × 25.56 mana)
  • 3 × List of runes Scaling Quintessences of Mana (+3 × 75.06 mana)
• Masteries:
  • 5 points in Natural Talent Natural Talent (+15 AP)
  • 5 points in Meditation Meditation (+1.5% of missing mana every 5 seconds)
• Items:
  • 6 Seraph's Embrace Seraph's Embrace (+6 × (1000 mana + 80 AP))
• Buffs:
  • Crest of Insight Crest of Insight (+25 flat (+ 5% maximum mana) mana regeneration)
  • 20px Ocean Drake buff (+18% missing mana mana regeneration)
    • Ryze Ryze must totally empty his mana bar.
  • Ryze's Ryze's Arcane Mastery Arcane Mastery
  • Elixir of Sorcery Elixir of Sorcery (+15 flat mana regeneration, +50 AP)
  • Hand of Baron Hand of Baron (+40 AP)
  • 20px Infernal Drake (+36% AP)
  • Zeke's Harbinger Zeke's Harbinger (+20% AP)

Relevant mathematics:

• Ryze's Ryze's mana before Arcane Mastery Arcane Mastery = 1250 + 834.3 + 6000 = 8084.3
  • Base = 1250
  • Runes = List of runes 9 × 21.06 + List of runes 9 × 21.06 + List of runes 9 × 25.56 + List of runes 3 × 75.06 = 834.3
  • Items = 6 × 1000 6 × 1000 = 6000

• Ryze's Ryze's AP before Seraph's Embrace's Seraph's Embrace's passive = 480 + 105 = 585
  • Items = 6 × 80 6 × 80 = 480
  • Mast. & Buffs = Natural Talent 15 + Hand of Baron 40 + 50 50 = 105

• Ryze's Ryze's AP multiplier = 1 + 20px 0.36 + 0.2 0.2 = 1.56
• Applying the formula (see Arcane Mastery Arcane Mastery ability details)

   Resultant mana = (b + 0.0005abx) / (1 - 0.000015bx)

• Ryze's Ryze's mana = (8084.3 + 0.0005 × 585 × 8084.3 × 1.56) / (1 - 0.000015 × 8084.3 × 1.56) = 14519.941457823 mana

• Ryze's Ryze's mana regeneration = 14519.941457823 × (20px 0.18 + Crest of Insight 0.05 + Meditation 0.015) + Crest of Insight 25 + 23 23 + 15 15 = 3620.385657166635 mana regeneration per 5 seconds
  • That's 724.07713143333 mana regeneration per second.

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Champion statistics

Offensive	15px Ability power ·  Attack damage · 15px Attack speed · 15px Critical strike chance · 15px Critical strike damage · 15px Armor penetration · 15px Magic penetration · 15px Life steal · 15px Spell vamp · 15px True damage
Defensive	Heal and shield power ·  Health · 15px Health regeneration ·  Armor · 15px Magic resistance ·  Tenacity ·  Slow resist
Utility	Cooldown reduction · 15px Energy · 15px Energy regeneration · 15px Mana · 15px Mana regeneration
Other	15px Experience · 15px Gold generation ·  Movement speed ·  Range