Hello! Copy Cat Master is here! This is my second guide and you can find my first guide here (http://www.mobafire.com/league-of-legends/build/6-10-top-mid-sp-simple-guide-to-slap-your-enemy-456288) but I will try to create a decent guide for the Mobafire community. Feel free to leave your feedback and advice so, I can improve myself and improve this Kayle guide. Thank you.

Through the ancient martial art of Wuju, Master Yi has tempered his body and sharpened his mind until thought and action have become one. Though he chooses to enter into violence as a last resort, the grace and speed with which he wields his blade ensures resolution is always swift. As the last living practitioner of Wuju, Master Yi has devoted his life to finding able pupils to carry on the legacy of his lost people.

Even before Yi mastered Wuju, he was considered one of the most skilled practitioners of the mystical martial art. He would soon prove his mastery when word of a massive Noxian invasion reached his remote village. Yi swept across the battlefields of Ionia, turning back the tide of Noxus's vast infantry with swift and deadly strikes, much to the embarrassment of Noxian High Command. Recognizing the threat the Wuju disciples posed to their invasion, the Noxians chose to unleash a nightmarish chemical attack on the home of the deadly art. Those who somehow survived the poisonous concoction had their minds twisted beyond repair. Yi's home was left in ruin.

At the war's conclusion, Yi returned to the grotesque remains of his village. There he became the attack's final casualty. Slain in spirit, if not in body, Yi clung to the only feeling left within his heart: vengeance. Driven only by his desire to punish those who'd destroyed his home, Yi spent years training in seclusion. He became a deadlier swordsman than he had ever been, but true mastery of Wuju still eluded him.

At the height of Yi's frustration, a monkey of unusually noble bearing interrupted his training. Standing as straight and tall as a man, the monkey watched and mimicked Yi's movements. Yi shooed the monkey away, but the agile creature took great amusement in turning Yi's own techniques against him. Gradually, Yi felt his anger subside as he sparred with the playful animal, and when the burden of his hatred had fully lifted, he found he had caught the monkey by his tail. Yi then understood that he would never master Wuju so long as he pursued it for vengeance, and as he let go of the monkey, he also released his desire to shed his enemy's blood.

Yi thanked the monkey for showing him what he'd been blind to, and was surprised when the creature actually replied. He wished to learn Yi's art of fighting. It was an odd request, but through it Yi saw his new path: the way to honor the memory of his lost people was to pass their teachings on to a new generation.

''The edge of the sharpest blade is no match for the calm of the peaceful mind.''
-- Master Yi

Pros

+ Strong mid to late game + Fast jungle clear + Can easily take turrets down + High mobility + Dangerous if get fat

Master Yi is mostly known as low ELO destroyer because he is a monster in late game or if he get fat.

Cons

+ Weak early game + Weak in teamfight + Weak without his items + Weak if falling behind + No crowd control

Master Yi is hard to play on higher levels and he is useless if he falling behind.

Highlander
Level up this ability when possible
It give you movement speed, attack speed and becomes immune to any slows.
Alpha Strike
Max Master Yi Q second.
Master Yi Q will help you clear the jungle faster and this ability can be useful to avoid crowd control if used correctly.
Meditate
Max this ability third if you need sustain when jungling
Master Yi W can heal him and he will take less damage when channeling this ability.
Wuju Style
Max this ability third or fourth depends in the situation
Most of the time I max Master Yi E third because this ability will help me kill the enemy.

Flash
Flash will help you get out from the dangerous situation.
Ghost
Pick Ghost if you need more speed but you will have hard time with crowd control (unless you get Quicksilver sash).
Smite
You need smite to jungle.

- Do not go in first when engaging a team fight but let your tank go in first then try to find a good opportunity to use your Q.

- You can use your Q on minion or enemy champion to avoid stunt but you need to time it correctly.

- When in a team fight try to focus on squishy enemy like ADC and do not waste your Q on enemy tank.

- Master Yi E does not do extra damage to turrets so, do not waste it on turrets.

- Master Yi Q makes you untargetable during the cast animation but you need to time it properly.

- If you use your Q on a minion to attack enemy champion in a lane then you will appear at the minion again when the ability end.

If you just start playing the game and do not have enough IP to buy the expensive runes then this runes page should be good enough for you until you able to buy the better runes.

• Greater Quintessence of Attack Speed
  
• Greater Mark of Attack Damage
  
• Greater Glyph of Magic Resist
  
• Seal of Armor or Seal of Health

If you want faster cooldown and speed runes page then try use this one.

• Greater Quintessence of Movement Speed
  
• Greater Mark of Attack Speed
  
• Greater Glyph of Scaling Cooldown Reduction
  
• Seal of Scaling Armor or Seal of Scaling Health

Note: Should you use scaling or flat runes? That is depends on your preference & IP.

This a simple Master Yi guide for jungle. However, I am thinking to improve this guide as I get more feedback, advice & etc. Feel free to leave your feedback, advice & etc in the discussion section. Anyway, that's it from me and thank you for reading my guide.

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Kayle Guide > http://www.mobafire.com/league-of-legends/build/6-10-top-mid-sp-simple-guide-to-slap-your-enemy-456288