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Ezreal Build Guide by Haedrix

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League of Legends Build Guide Author Haedrix

Ezreal Mid (S3)

Haedrix Last updated on March 30, 2013
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ADC Role
Ranked #3 in
ADC Role
Win 53%
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Ability Sequence

Ability Key Q
Ability Key W
Ability Key E
Ability Key R

Not Updated For Current Season

The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.



Offense: 21

Honor Guard

Defense: 0


Utility: 9

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This is not a guide. The only content here is number crunching. This is an exposure-test to determine community feedback regarding the build and purchase order. I wanted to open up discussion about the itemization and math behind it to help improve the actual still-in-progress guide for this build

This is not a build for Bot Lane ADC Ezreal
This is not a build for AP Mid Ezreal
This is a build for Mid Ezreal assuming you already have an AD Carry going Bot Lane.

Most of the damage dealt early game will be physical but by endgame most of it will be magic damage due to Muramana's toggle effect doing magic damage.

Early physical damage is good mid as your lane opponent more than likely focused their runes / masteries for MR rather than Armor. It also allows you to farm with ease during laning phase.

Your damage begins to convert to magic damage after Manamune upgrades to Muramana. This is also good because in Season 3, MR is more difficult to itemize for on the majority of champions. This also helps to ensure that your team composition has a balanced damage source. Your ADC will be doing physical damage and you will be doing magic damage, allowing your top and jungler to choose champions / build for whatever suits the game without having to worry about balancing the team's damage out.

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The math for how this works

Ezreal's Mystic Shot applies on-hit effects, including Muramana's damage.

Base Mana: 235 +45 per level // 1045 @ LVL.18
Expanded Mind: +7 per level // +126 @ LVL.18
Muramana: +1000 mana
Seraph's: +1000 mana
Iceborn Gauntlet: +500 mana
Frozen Heart: +400 mana
Banshee's Veil: +300 mana


Base AD: 47.2 + 3 per level // 101.2 @ LVL.18
Muramana: +20 AD +2% of max mana as AD (4371 x 0.02) = 20 + 87.42 // 107.42
Masteries: +15 AD
Runes: +15 AD

TOTAL AD: 238.62

Base AP: 0
Masteries: +18 AP
Seraph's: +60 AP +3% of Max Mana as AP (4371 x 0.03) = 60 + 131.13 // 191.13
Iceborn Gauntlet: +30 AP

TOTAL AP: 239.13

Now we can calculate the total damage on Ezreal's spells.


Base DMG:
115 base +100% AD +20% AP = 115 + 238.62 + 47.826 = 401.446 physical damage

Bonus DMG on Mystic Shot from Muramana:
2 x 3% of current Mana
(we can calculate this damage at various mana levels but for starters we'll assume max mana)
4371 x 0.06 = +262.26 magic damage

Bonus DMG from Iceborn Gauntlet:
125% of base AD = 1.25 x 101.2 = +126.5 physical damage

Total DMG on Mystic Shot: 401.446 + 262.26 + 126.5 = 790.206 mixed damage

Mystic Shot base CD: 4 seconds
30% CDR = 4 x 0.7 = 2.8 seconds

790.206 damage per 2.8 seconds or ~ 282.216 DPS from Q

Of course Mystic Shot reduces the CD of all spells by 1 second everytime it hits so as long as you're not missing the spell, the de facto CD is 1.8 seconds not 2.8 which leads to higher DPS...

790.206 damage per 1.8 seconds or ~ 439.003 DPS from Q


250 base + 80% AP = 250 + 191.304 = 441.304

Total DMG on W: 441.304

base CD: 9 seconds
30% CDR: 9 x 0.7 = 6.3 second CD

441.304 dmg per 6.3 seconds or ~ 70.05 DPS from W

If you hit a Q every 1.8 seconds, W is redued to 5.3 immediately, ticks down to 3.5 during Q's CD, and gets reduced another second to 2.5. So you can hit Q twice during Essence Flux's CD leading your W to have a de facto CD of 4.3 seconds.

441.304 dmg per 4.3 seconds or ~ 102.629 DPS from W


275 base + 75% AP = 275 + 179.3475 = 454.3475
+DMG from Muramana (single target spells also apply passive) // 454.3475 + 262.26 = 716.6075

Total DMG on E: 716.6075

Base CD: 11 seconds
30% CDR: 11 x 0.7 = 7.7 second CD

716.6075 per 7.7 seconds or ~ 93.066 DPS from E

If you land Q every 1.8 seconds, E's CD immediately drops to 6.7, ticks for 1.8 seconds down to 4.9, gets reduced 1 second to 3.9, ticks for 1.8 down to 2.1, gets reduced 1 second to 1.1 second CD. So you can land Q 3 times inside of E's CD, giving E a de facto CD of 4.7 seconds.

716.6075 per 4.7 seconds or ~ 152.47 DPS from E


650 base +100% bonus AD +90% AP = 650 + 137.42 + 215.217 = 1002.637

Total DMG from R: 1002.637

We don't calculate the DPS of Ezreal's R because regardless of how many times you hit Q you are still only going to get off 1 ult during an engage.

The following calculation is for total damage done from abilities over a 10 second engage.

1002.637 + (10 x 439.003) + (10 x 102.629) + (10 x 152.47) =
1002.637 + 4390.03 + 1026.29 + 1524.7 = 7943.657 Total DMG in 10 seconds from Abilities

Of course, this is not calculating the 2% increase from Havoc and it is also not taking into account your Auto Attacks.

Ezreal's Auto Attack DMG:

238.62 AD + 262.26 DMG from Muramana w/ base attack speed of 0.981

500.88 damage on hit w/ 0.981

500.88 DMG at 0.981 attacks per second. 500.88 x 0.981 = 491.36328 DPS from Auto Attacks

Over a 10 second engage, 4913.6328 total DMG from Auto Attacks

Giving a TOTAL DMG during a 10 second engage to be:

4913.6328 + 7943.657 = 12,857.2898 Damage in 10 seconds

We can also just calculate how much damage you get off INSTANTLY with one combo.

(Q) 790.206 + (W) 441.304 + (E) 716.6075 + (R) 1002.637 + (1 AA) 500.88 =

3,451.6345 Burst Damage

That is a large amount of damage, especially for how durable this build makes you. You also have AWESOME kiting with Iceborn Gauntlet's slow being applied every Mystic Shot.

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I am sorry for not going into extreme detail regarding game play and why the Runes and Masteries are what they are. I know this looks like a big wall of text at the moment but I will go in and add coding at a later time. I might expand this guide to include strategy and tactics when I have more time. I just wanted to lay out the math for an unconventional build to show viability. I hope everyone gives this idea a chance and recognizes the possible uses for such a thing.