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Magic resistance 魔法防禦 | LoL菁英網

Magic resistance 魔法防禦

By | on 2014-09-03 |
魔法防禦 (or MR) is a stat that all units have, including 小兵野怪, and buildings. Increasing 魔法防禦 reduces the 魔法傷害 the unit takes. Each 英雄 begins with some 魔法防禦 which may increase with level. You can gain additional 魔法防禦 from 技能道具天賦, and 符文. 魔法防禦 stacks additively. All 英雄 begin with 30 base 魔法防禦. Currently no 遠程 英雄 gains 魔法防禦 per level, but most melee 英雄 do except 卡薩丁Square.png 卡薩丁茂凱Square.png 茂凱波比Square.png 波比慎Square.png 辛吉德Square.png 辛吉德, and 犽宿Square.png 犽宿. 伊莉絲Square.png 伊莉絲GnarSquare.png Gnar傑西Square.png 傑西凱爾Square.png 凱爾 and 奈德麗Square.png 奈德麗 do not gain 魔法防禦 per level because they are not always melee 英雄 due to their variable attack 範圍. All 英雄 that do gain 魔法防禦 per level gain 1.25 魔法防禦 per level, reaching 52.5 base 魔法防禦 at level 18.

Damage reduction

魔法防禦 reduces the damage of incoming 魔法 attacks by a percentage. This percentage is determined by the formula: Damage Reduction = Total 魔法防禦 / (100 + Total 魔法防禦). For example, a 英雄 with 150 points of 魔法防禦 would receive 60% reduced damage from 魔法 attacks. Incoming 魔法傷害 is multiplied by a factor based on the unit的 魔法防禦(same with armor):  
Damage multiplier={100100+MR2100100MRif MR0otherwise
  • 25 魔法防禦 → × 0.8 incoming 魔法傷害 (20% reduction).
  • 100 魔法防禦 → × 0.5 incoming 魔法傷害 (50% reduction).
  • −25 魔法防禦 → × 1.2 incoming 魔法傷害 (20% increase).

疊加 魔法防禦

Every point of 魔法防禦 requires a unit to take 1% more of its maximum 生命 in 魔法傷害 to be killed. This is called “effective health."
Example: A unit with 60 魔法防禦 has 160% of its maximum health in its effective health, so if the unit has 1000 maximum health, it will take 1600 魔法傷害 to kill it.
What this means: by definition, 魔法防禦 does not have diminishing returns, because each point increases the unit的 effective health against 魔法傷害 by 1% of its current actual health value whether the unit has 10 魔法防禦 or 1000 魔法防禦. For a more detailed explanation, see this video.
Unlike health, increasing 魔法防禦 makes healings and shields more effective because it requires more effort from your enemies to remove the bonus health granted. This is called indirect scaling.

魔法防禦 as 成長

These use the 英雄的 魔法防禦 to increase the magnitude of the ability. It could involve total or bonus 魔法防禦. By building 魔法防禦 道具, you can receive more benefit and power from these 技能.


  • 布郎姆Square.png 布郎姆的 W[壁壘守護].png W[壁壘守護] grants 魔法防禦 equal to 10 / 11.5 / 13 / 14.5 / 16% of his bonus 魔法防禦 to himself and the target ally (in addition to a base amount) for 3 秒.
  • 蓋倫Square.png 蓋倫的 W[勇氣].png W[勇氣] grants bonus 魔法防禦 to himself equal to 20% of his bonus 魔法防禦.
  • 加里歐Square.png 加里歐的 符文石膚.png 符文石膚 grants him bonus 魔法攻擊 equal to 50% of his total 魔法防禦.
  • 雷歐娜Square.png 雷歐娜的 W[日蝕].png W[日蝕] grants additional 魔法防禦 plus 20% of her bonus 魔法防禦 for its duration.
  • 特朗德Square.png 特朗德的 R[盛怒霸體].png R[盛怒霸體] takes 40% of the target的 魔法防禦 and gains an equal amount of 魔法防禦. Half of this 魔法防禦 is stolen on cast, and the next half is taken over 4 秒. The 魔法防禦 bonus/reduction lasts for another 4 秒 after the W[生命汲取] completes.


  • 蘭頓之兆 item.png 蘭頓之兆 主動 increases its slow duration by a base amount plus 0.5% of the wearer的 total 魔法防禦.

Increasing 魔法防禦


  • 深淵權杖 item.png 深淵權杖: +45 魔法防禦, +70 魔法攻擊. 唯一 Aura: Reduces the 魔法防禦 of nearby enemies by 20. 2560 gold.
  • 軍團聖盾 item.png 軍團聖盾: +20 魔法防禦. 唯一 Aura – Legion: Nearby allies gain 20 魔法防禦 and 10 生命回復. +200 health. 1900 gold.
  • 雅典娜的惡魔聖杯 item.png 雅典娜的惡魔聖杯: +25 魔法防禦, +60 魔法攻擊, +10 魔力回復, +20% 降低冷卻時間. 唯一 被動: Restores 15% of maximum mana on kill or assist. 唯一 被動 – 機車: Increases your 魔力回復by 1% per 1% mana you’re missing. 2600 gold.
  • 聖盃 item.png 聖盃: +20 魔法防禦, +7 魔力回復. 唯一 被動: Increases your 魔力回復 by 1% per 1% mana you’re missing. 880 gold.
  • 吸魔劍 item.png 吸魔劍: +25 魔法防禦, +25 物理攻擊. 唯一 被動 – Lifeline: If you would take 魔法傷害 which would leave you at less than 30% health, you first gain a shield that absorbs 250 魔法傷害 for 5 秒. 60 second 冷卻. 1350 gold.
  • 日輪的加冕 item.png 日輪的加冕: 20 魔法防禦. 唯一 Aura – Legion: Nearby allies gain 20 魔法防禦 and 10 生命回復per 5 秒. +300 health, +20 Armor, +10% 降低冷卻時間. 唯一 主動: Shield yourself and nearby allies for 5 秒, absorbing up to 50 (+10 per level) damage. 60 second 冷卻. 2800 gold.
  • 魔提斯深淵 item.png 魔提斯深淵: +40 魔法防禦, +60 物理攻擊. 唯一 被動: +1 物理攻擊 for every 2.5% health missing. 唯一 被動 – Lifeline: If you would take 魔法傷害 which would leave you at less than 30% health, you first gain a shield that absorbs 400 魔法傷害 for 5 秒. 60 second 冷卻. 3200 gold.
  • 偵查守衛 item.png 偵查守衛: +25 魔法防禦. 唯一 被動 – Enhanced Movement: +45 跑速. 唯一 被動 – 韌性: The duration of stuns, slows, taunts, fears, silences, blinds and immobilizes are reduced by 35%. 1200 gold.
  • 米凱的魔鍋 item.png 米凱的魔鍋: +40 魔法防禦, +20 魔力回復, 10% 冷卻 Reduction. 唯一 被動 – 機車: Increases your 魔力回復 by 1% per each percentage of mana you are missing, 唯一 主動: Removes all stuns, roots, taunts, fears, silences and slows on an ally 英雄 and heals for 150 + 10% of the target的 maximum health. (180 second 冷卻) 2450 gold.
  • 負極斗篷 item.png 負極斗篷: +40 魔法防禦. 720 gold.
  • 抗魔斗篷 item.png 抗魔斗篷: +20 魔法防禦. 400 gold.
  • 水銀飾帶 item.png 水銀飾帶: +45 魔法防禦. 唯一 主動: Removes all debuffs from your 英雄. 90 second 冷卻. 1550 gold.
  • 亡靈斗篷.png 亡靈斗篷: +45 魔法防禦, +200 health. 唯一 被動: Gain 15 生命回復 after taking damage from 英雄, up to 10 秒. 1400 gold.
  • 振奮盔甲 item.png 振奮盔甲: +55 魔法防禦, +400 health, 20 生命回復, +10% 降低冷卻時間. 唯一 被動: Increases healing and regeneration on yourself by 20%. 2750 gold.
  • 智慧末刃 item.png 智慧末刃: +25 魔法防禦. 唯一 被動: Your 普通攻擊 steal 5 魔法防禦 of the target for 5 秒. Stacks up to 5 times. +50% 攻擊速度. 唯一 被動: Your 普通攻擊 deal 42 bonus 魔法傷害. 2500 gold.

Variable 可獲得

  • STH 女妖面紗 item.png 女妖面紗: +55 魔法防禦, +450 health. 唯一 被動: Gain 45 生命回復 when taking damage from enemy 英雄 or when the E[法術護盾] blocks the next incoming enemy ability. This shield refreshes if you haven’t taken damage from 英雄 in 40 秒. 2750 gold.
  • TC 苦行者之刃 item.png 苦行者之刃: +45 魔法防禦, +50% 攻擊速度, +10% 降低冷卻時間. 唯一 主動 – Quicksilver: Removes all debuffs from your 英雄. 近戰 英雄 also gain +50% 跑速 for 1 second. 90 second 冷卻. 3000 gold.
  • SC 守護天使 item.png 守護天使: +40 魔法防禦, +50 armor. 唯一 被動: 重生s your 英雄 upon death, restoring 30% health and mana. This effect can only occur once every 5 minutes. 2600 gold.
  • SH 水星彎刀 item.png 水星彎刀: +45 魔法防禦, +80 物理攻擊. 唯一 主動 – Quicksilver: Removes all debuffs from your 英雄 and grants 50% bonus 跑速 for 1 second. 90 second 冷卻. 3800 gold.
  • C 奧丁面紗 item.png 奧丁面紗: +50 魔法防禦, +350 health, +350 mana. 唯一 被動: Reduces and stores 10% of 魔法傷害 dealt to your 英雄. 唯一 主動: Deals 200 + (stored 魔法傷害 – max 200) to nearby enemy units. 90 second 冷卻. 2520 gold.
  • H 凜冬冰玉 item.png 凜冬冰玉: +70 魔法防禦, +20 生命回復. 唯一: Grants a shield that absorbs up to 30 + (10 per level) damage. This shield refreshes after no damage is taken from enemy 英雄 for 9 秒. 2080 gold.

英雄 技能


  • 魔力護甲 mastery s4.png 魔力護甲 increases bonus Armor and 魔法防禦 by 2.5 / 5%.
  • 反抗 mastery s4.png 反抗 increases 魔法防禦 by 2 / 3.5 / 5.
  • 傳奇護衛 mastery s4.png 傳奇護衛 increases Armor by 1 / 2 / 3 / 4 and 魔法防禦 by 0.5 / 1 / 1.5 / 2 for each nearby enemy 英雄.



  • Disconnecting gives approximately +1000 魔法防禦.

Ways to reduce 魔法防禦

See 魔法穿透. Note that 魔法穿透 and 魔法防禦 reduction are different.

List of 英雄’ 魔法防禦