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1
ItemAPMPAttack DamageLifestealHPArmorMagic ResistCritical StrikeAttack SpeedCostEfficiencyNotesEfficiency %
2
Kage's Lucky Pick25765-265.00Efficient after 8.8 mins.0.6535947712
3
Avarice Blade12750-163.33Efficient after 5.3 mins.0.7822222222
4
Heart of Gold20027975-38.72Efficient after 1.2 mins.0.9602862254
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0.00#DIV/0!
6
Bloodthirster (empty)60152900-270.830.9066091954
7
Bloodthirster (full)1002529001,481.94Third most efficient non-snowball item.1.511015326
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Bloodthirster (breakeven)7017.52900167.36Breakeven 10 kills1.057710728
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Bloodthirster (dmg breakeven)87290096.67Dmg Breakeven 27 kills1.033333333
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Warmogs9203000-625.120.791627907
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Warmogs (full)13703000536.511.178837209
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Warmogs (hp breakeven)11623000-0.42Breakeven at 5 assists/50 minion kills0.9998604651
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Rod of Ages (empty)605254503035376.631.124094862
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Rod of Ages (full)8072563030351,641.28Second most efficient non-snowball item.1.540783878
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Rod of Ages (breakeven)745963035-16.49AP + HP Breakeven is at 12 mins.0.994567258
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DeathCap201.53600430.00Empty means no other sources of AP. NOTE: Also getting active ability.1.119444444
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Zhonya's Ring (breakeven*)18036000.00Breakeven occurs when you have -20 AP from other sources. AP listed is 120 base AP + 25% AP from everything.1
18
Guinsoo's Rageblade (empty)45352235-129.440.9420830226
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Guinsoo's Rageblade (full)93353222351,670.56The most efficient non-snowball item.1.74745215
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Guinsoo's Rageblade (breakeven)51354223595.56Breakeven occurs at 1 stack.1.042754164
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Tear of the Goddess (empty)350995-295.000.7035175879
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Tear of the Goddess (full)13509951,705.00The most efficient non-snowball item by %2.713567839
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Tear of the Goddess (breakeven)490995-15.00Must cast 35 spells to break even.0.9849246231
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Archangel's (AP breakeven)1422855-15.00AP breakeven is when you have 3233 mana total. Ill save you the mathcrafting but you need a fully charged RoA for this item to breakeven (generally).0.9947460595
25
0.00#DIV/0!
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Doran's Ring1510047583.141.1750306
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Doran's Shield12010475-9.68Health Regen not counted but is useful for when this item is used0.979627363
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Doran's Blade103100475240.08This item appears more efficient because mana regen and health regen are not counted while lifesteal is.1.505439956
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Doran's Blade (dmg only)10100475127.58This efficients does not reflect the lifesteal1.268597851
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0.00#DIV/0!
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Leviathan (empty)1801275-810.350.3644322845
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Leviathan (full)8201275841.74Bonus: 15% reduced damage taken1.660191518
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Leviathan (breakeven)500127515.70Breakeven at 10 stacks. 5 kills, 10 assists, or a mix of both.1.012311902
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Mejai's Soulstealer (empty)201235-835.000.3238866397
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Mejai's Soulstealer (full)18012352,365.00Bonus: 15% CDR2.914979757
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Mejai's Soulstealer (breakeven)681235125.00Breakeven at 6 stacks. 3 kills1.101214575
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Sword of the Occult (empty)101369-1,024.560.2516029543
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Sword of the Occult (full)11013692,419.89Bonus: 15% movement speed2.767632497
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Sword of the Occult (breakeven)4013698.78Breakeven at 6 stacks. 3 kills1.006411817
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3075-3,075.000
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Deathfire Grasp602610-1,410.00Gains 0.5 efficiency per second kage's lucky pick held. Also paying for 15% CDR and active.0.4597701149
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Youmuu's Ghostblade30152687-920.33Gains 0.5 efficiency per second rice blade held. Also paying for 20 armor pen, 15% CDR, and active.0.6574866642
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Randuin's Omen300902925-750.58Gains 0.5 efficiency per second heart of gold held. Also paying for 15% CDR, slow on being hit, active.0.7433909759
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0.00#DIV/0!
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Rylai's Crystal Scepter805003105-214.30Paying for: Slow on spells0.9309815377
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Last Whisper402290-912.22Paying for: 40% reduced armor0.6016496846
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Brutalizer251337-475.89Paying for: 10% CDR and +15 armor pen0.6440621624
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Phage182251315-114.19Paying for: 25% slow on white dmg0.9131665046
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Frozen Heart500993075-535.00Paying for: 20% CDR and -20% enemy attack speed0.8260162602
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Sunfire Cape450452510-648.37Paying for: 40 damage per second aoe0.7416844251
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Haunting Guise252001485-468.72Paying for: 20 spell pen0.6843630099
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Zeal10201195-181.11Paying for: 8% movement speed.0.8484425848
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Sheen252501260-260.00Paying for: 100% damage on next hit after spellcast0.7936507937
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Trinity Force302503025015304070229.52Bonus: 25% slow on dmg, 12% movement speed, 150% dmg on next hit after spellcast1.056392016
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Fiendish Codex301245-645.00Paying for: 10% CDR0.4819277108
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Infinity Edge80203780-46.67Paying for: 50% crit damage.0.987654321
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Malady25501825-12.50Bonus: 5 magic dmg stacking infection. Infection is reduced by magic resist. (tested 4/21/2010)0.9931506849
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Wit's End30402150-637.50Paying for: 42 dmg mana burn. Is reduced by magic resist. (tested 4/21/2010)0.7034883721
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Lich Bane80350303470-707.50Paying for: 7% movement speed. Ability power to white damage after spellcast0.7961095101
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Guardian Angel68382600-956.39Paying for: Revive at 40% healthBreakeven if pick held for 34 mins.0.6321581197
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Abyssal Scepter70572600-321.25Paying for: Reduce Magic Resist Aura of 20.Breakeven if rice blade held for 44 mins.0.8764423077
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Frozen Mallet207003250-754.13Paying for: 100% chance to slow on hit.Breakeven if HoG held for 25 mins.0.7679586563
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Phantom Dancer3055289515.42Bonus: 15% movement speed1.005325273
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Executioner's Calling18151600-191.67Paying For: 4dps dot for 8 seconds. Active: Attacks reduce healing 50%.0.8802083333
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Sword of the Divine552170-726.25Paying for: 100 bonus magic damage every 4th attack. Active armor pen and perfect accuracy. 0.6653225806
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Mana Manipulator475-475.00Paying for: 7.2 mana per 5 aura.0
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Warden's Mail601350-416.67Paying for: Slow on being hit.0.6913580247
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Stinger401140-90.00Paying for: 10% CDR0.9210526316
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Glacial Shroud425451675-125.00Paying for: 20% CDR0.9253731343
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Nashor's Tooth65502685-72.50Paying for 25% CDR and Mp50.9729981378
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Soul Shroud5202285-942.67Paying for 15% Area CDR and 12 Area Mp50.5874510203
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Banshees Veil375375502715-226.14Paying for: Ignore 1 negative effect every 45 seconds.0.916705926
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Void Staff702295-895.00Paying for: 40% MR Reduction.0.6100217865
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Emblem of Valour17800-162.50Paying for: Health per 5 Aura.0.796875
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Stark's Fervor20402550-750.00Paying for: 20% IAS, 20% Lifesteal, 30 health per 5, and -20 enemy armor aura.0.7058823529
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Bilgewater Cutlass35151825-56.94Bonus: Active 150 damage nuke that slows. 300 range.0.9687975647
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Hextech Revolver401200-400.00Paying for: 10% Spell Vamp0.6666666667
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Hextech Gunblade7560203625691.67Bonus: 20% Spell Vamp. Active 300 damage nuke that slows. 700 range.1.190804598
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Will of the Ancients802400-800.00Paying for: 30ap and 20% spell vamp aura.0.6666666667
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Aegis of the Legion827030391925115.45Bonus: +8 damage, +12 armor, and +15 magic resist aura.1.059973489
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Spirit Visage250301550-442.15Paying for: 10% CDR,15% Increased Healing and Regen.0.7147411853
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Force of Nature762610-1,438.33Paying for: 40 Health per 5, 8% movement speed, and 0.35 health regen every second.0.4489144317
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Madred's Razor231000-125.56Paying for: 15% chance of +500 damage to minions0.8744444444
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Madred's Bloodrazor3025403800-1,327.78Paying for: 4% target's max health damage.0.6505847953
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Wriggle's Lantern2314301525258.89Bonus: 20% chance of +500 damage to minions. Free ward every 3 minutes.1.169763206
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Catalyst of the Protector325290132573.60Bonus: Restore 300 mana and 250 health on leveling.1.05555068
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Black Cleaver55302765-83.06Paying for: -15 Armor debuff that stacks 3 times. -45 armor at full stacks.0.9699618244
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Innervating Locket0.00#DIV/0!
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Tiamat502070-347.78Paying for: Splash Damage, 15 Hp5, 5 Mp50.8319914117
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Thornmail15100200072.22Paying for: 30% physical damage reflected as magic1.036111111
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Quicksilver Sash561440-576.670.599537037
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Philosopher's Stone0.00#DIV/0!
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Chalice of Harmony0.00#DIV/0!
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Atma's Impaler4945182355912.78Breakeven at 1050 Health (approximately unboosted level 6) Higher than bloodthirster efficiency at 2450 Health (approx 800 extra health at level 18)1.387591413
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HexDrinker35301800-131.94Paying for: 300 Health shield against magic damage once per minute0.9266975309
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Manamune (empty)350201910-521.11Empty assumes you have no mana. Like if you got this on Garen. -This should be removed as it is a horrible metric. Does not actually give mana but includes itemization for it in this case.0.7271669575
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Manamune (breakeven)350331910-73.33Occurs when you have 650 mana... holy crap.0.9616055846
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Manamune (dmg only breakeven)521910-118.89Occurs when you have 1600 mana. - If you didn't care about mana at all0.9377545084
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Hourglass100503100-322.220.8960573477
100
25-7751,636.11-1.111111111