Hi, I'm TundraEmleon, a.k.a Emleon, ive played League of Legends for a while now, and have recenly went back to the basics and used people such as Master Yi, I discovered by using these items in the build you can be pretty crazy, but you need to survive for a while at the main start to middle of the game, once you get Infinity Edge you should be able to take down people really well, unless they have been fed or otherwise over-powered, the first time i tried this build i managed to get a 21/2 in a 5v5 with the enemies hating me, i could kill anyone with ease except a kayle which only escape because of his ultimate,two champions on the opposing team rage quitted eventually, leaving me owning towers and champions for the win, the next game i went into a 3v3 and tried to see if it was a fluke, i got a few early kills which led me to get my build earlier, i eventually got my infinity edge and jungled, wanting to prolong the game, since i destroyed towers to quick, they pushed bottom and destroyed a tower, i triple killed and they surrendered straight away, at the end of the game i got a 25/4 close to my previous game, i then decided to put this up on MobaFire since i have not seen a build like it, or at least no where near the top builds for him on here.

I do hope you like what i have done and i apreciate feedback, i havent done anything like this before.

OK so here i will put any updates to the build with names of anyone who helped the change:
-Version 1.1: Edited the skill sequence to having more wuju style earlier to make up for the low dmg early game.

-Version 1.2: Made Item Section, explaining the items, since you may need to know why i chose a certain item >.> I also changed my rune build thanks to TheOneWithBrains' advice, i now have seals to up my atk for early game kills, i still kept some vitality due to low health in game.

-Version 1.3: Edited Item selection, added more builds in and need to test, please ask me to change anything, this build is made for you guys not me.

Here is were i will display the items for a couple of different types of yi's, my favourite, the one displayed above is the "Glass Cannon" Yi i made, i will be asking advice for other builds, such as just a plain AD build, with some survivabity, a Hybrid, AP and AD and a Hybrid Tank AD.

OK so:

Glass Cannon:
-Displayed At the top of the page-
Is one were you survive on your own instict and can kill really well if you can use a glass cannon, it is really based around buffing his Ult and his Passive, the phantom dancers and the infinity edge make you get around 85-100% Crit Chance, and deal heaps of damage, you run fast and can chase them down with your ult and your 'Alpha Strike'.

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Classic AD Yi:
Item Order:
1st: Boots, 2 Health and a Mana Potion
2nd: Berzerker Greaves
3rd: Zeal
4th: Phage
5th: Trinity Force
6th: Infinity Edge / Last Whisper
7th: Black Cleaver / Infinity Edge
8th: BloodThirster
9th: Tiamat / Frozen Mallet

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Hybrid Yi, Ap/Atk Spd
- I personally cannot make an AP yi, i fail, so any suggestions for items would be amazing -

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Hybrid Yi- Tank Yi
Item Order:
- MAKING -

NOTE:: All these new builds were only just built on the top of my head, i have yet to test them thoroughly.

Double Strike - Passive - Master Yi strikes twice every 7th attack.

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Alpha Strike - Master Yi leaps across the battlefield with blinding speed, dealing magic damage to multiple units in his path with a chance to deal bonus magic damage to minions.
Master Yi leaps across the battlefield striking up to 4 enemies, dealing 100/150/200/250/300 (+1 per ability power) magic damage to each enemy with a 20/30/40/50/60% chance to deal 400 bonus magic damage to minions.
Cooldown - 18/16/14/12/10 seconds
Cost - 80/90/100/110/120 Mana
Range - 600

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Meditate - Master Yi rejuvinates his body by focus of mind, restoring health and increasing his armor and magic resistance for a short time.
Master Yi channels, restoring 140/280/420/560/700 (+1.65 per ability power) health over 5 seconds. While channeling, Master Yi gains 100/150/200/250/300 armor and magic resistance.
Cooldown - 35 seconds
Cost - 70/85/100/115/130 Mana
Range - Self

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Wuju Style - Master Yi becomes skilled in the art of Wuju, passively increasing the power of his physical attacks. Activating Wuju Style doubles the passive bonus damage for a short time, but the passive bonus is temporarily removed after the effect wears off.
Passive: Increases physical damage by 15/20/25/30/35.

Active: Master Yi can activate this ability to double its effectiveness for 10 seconds, but this removes the passive bonus until Wuju Style becomes available again.
Cooldown - 25 seconds
Cost - 40 Mana
Range - Self

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Highlander - Master Yi moves with unparalleled agility, temporarily increasing Master Yi's movement and attack speeds as well as making him immune to all slowing effects. Additionally, killing a Champion refreshes all of Master Yi's cooldowns.
Increases Master Yi's movement speed by 40% and Attack Speed by 40/60/80%, and he becomes immune to all slowing effects for 6/9/12 seconds. Additionally, killing a champion refreshes all of Master Yi's cooldowns, and scoring an assist reduce the cooldowns by half.
Cooldown - 75 seconds
Cost - 120/120/120 Mana
Range - Self

Ok, so about the runes...
First off, its just like any other Yi Rune build, the desolation in marks, cooldowns in glyphs, and mana regen in the seals.
I havent put as much mana regen per level in my build because even though Yi is a mana hungry champion, i prefer the extra health to survive with my Yi as i need it through the first part of achieving my items.

Also I use health per level because i dont really like the flat hp, as soon as you reach somewhere around lvl 5 you have already gone past its health bonus to Yi, therefore no real use except small increase at the start of the game.

The same as above, this masteries is just another Yi Mastery build, you may change it , rearrange it , do whatever you need or want to make this better, its just a basic outlook on what you should be doing towards Yi and his Masteries, you don't really need to follow it directly but dont stray to far from them like putting Mastery points all over the place, just yeah stick around the basic concept.

With all this said, im new to making these builds, i might make more sometime, but I know that most of the champions already have pretty amazing builds that i don't see getting beaten, so yeah ill have to deal with that.... anyway back to the main topic, i hope you like this build, i think its alright, tell me if it needs improving.

Also when you get infinity edge , if you use your ult you will be hitting around 2.5 times a second with every second or so atk being a crit, aim for the weakest enemies first and move your way along, just like anything else.

Good luck using the build i hope you like it, if not tell me how it can be better, if you don't like the build at all don't leave some stupid ridiculous comment just say *dislike* or something simple like that.

Even if you don't see this build as useful, good luck in game, hope you have fun, and kill some n00bs :P

Im new to this, its my first build, you guys may be pros, test it and tell me how to improve it.
Any feedback is amazing, please do not troll or just give bad feedback that helps in no way to the builds structure, would love for anyone to notice this build and take a liking to it, that'll make my day :D