You might asking "Why Miss Fortune is so good?"

Let me tell you.

She is really easy to learn not like other ADC's

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She is one of the best ADC's who can dominate the lane and late.
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She is perfect for many matchup
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Now her playstyle is aggressive even in early.What i meant about that she can damage a lot i mean a LOT in early and you need to play aggressive or otherwise you can lose your lane very quickly.

But..

She can turn her stats back even if you are in 2/6. I had many games with this stats and i turned into 18/6, 20/7 etc.

Lethality

For years Miss Fortune players used Crit builds. Of course someone build's that for today but the lethal mf got really popular and it has a higher winrate. Well it's because in 13.18 patch everyone picks Sion,Warwick and many other tanks that can even DMG or has a lifesteal that is really broken AS A TANK. If you have Lord Dominik,Duskblade, and collector you can easily kill tanks like if they are an ADC (Of course you need to dmg a lot but you will be the only one in team who can easily kill the tanks)


I recommend to build Serpent's Fang if the enemy team has shields such as Morgana,Sion,Kassadin, and malphite.


Youmuu's Ghostblade


For Youmuu's Ghostblade
i recommend to buy it. But if you start to think which one is the best? Duskblade? or Youmuu's Ghostblade
?That depends how you want build her. If you want to be more aggressive then buy duskblade. If you want to be more speedy to catch enemies and secure kills then i recommend Youmuu's Ghostblade.


PSA: I can't say anything about Crit Miss Fortune because i don't play her in that build but you can build a similar items.