Hello, welcome to my 3v3 Nocturne LANER guide. So far, laning as nocturne in 3v3's has worked beautifully for me. So, I am here to share my experience with you. I hope you enjoy reading my guide.

Pick up armor pen marks (duh).
Flat armor seals, because 3v3 is usually filled with tryn's, yi's, gp's, all of them AD users.
Attack speed glyphs, I like the attack speed but, if you are religous like some other noc's i've seen about the Magic resist per level get them then.
Quints, you can get the armor pen or attack speed or health even, they all work very well.

21/0/9 If you want to pump out the most kills early game, get the most levels, have the most damage. Honestly, early game is VERY IMPORTANT IN TWISTED TREE'S!!! so I would pick this no matter what.

I can't see any other way to build him in masteries, you could do a mix I suppose, but why would you want to give up that damage increase?!

(DON'T EXPECT ANY FANCY PICTURES!!! I don't roll dat way.)

Start out with boots and 3 Hp's or Boots, 2 Hp's and 1 mana. ( I like the first way since you can stay in lane longer.)

Build a Wriggle's, this is honestly just way to big too pass up, it lets you farm faster, do early dragon and kill jungle creeps faster.

Finish boots with Greaves, the attack speed is very powerful early game, you can switch them out for Merc's if there is a lot of CC on the other team

Build a phage, makes you tankier and a slow, whats not to love?

After the phage you can continue with the original build (if the other team are a bunch of idiots who fed non-stop and are waaaayyy behind in levels) or, you start to go situational. Which is what you will most likely always do. Here are some decent situational items you can use as nocturne.

ARMOR A PROBLEM?
Black cleaver, if they have a lot of armor.
Last Whisper, if they have a lot of armor pen and you don't have enough gold for cleaver.

NEED MAGIC RES?
Banshee's, gives a lot of HP and mana and a weaker version of your W (and more damage if you build atma's)
Wit's end, Magic reist, attack speed and a 42 auto attack damage increase, AWSOME RIGHT?!

TOO MANY MELEE PUBSTOMPERS?!
Guardians Angel, revive after death at the spot you were at, armor, magic res.
Sunfire Cape, A lot of people HATE seeing this on me but, I love it, it gives you a lot of armor and HP, and AND a AoE damage for them Yi's and Tryn's who like to be right on you.
Atma's Impaler, almost made this a necessary item to get, as noc, you will level A LOT faster then the other people, so you HP rises fast, and you get items with HP, so, your attack damage boosts even faster if you get this. It gives armor, crit and 2% of HP turned into attack damage, I LOVE THIS ITEM!
NEED MOAR DAMAGE?
Go build the regular build, pfft.

EARLY GAME!!
YOU BETTER MAKE THE MOST OF THIS! This is where you, as nocturne, beat the living hell out of everyone, therefore you better make it worth it.
EARLY GAME GUIDE (of some sort O_o sorry)
Buy your stuffs, rush to bottom brush if your team says so, if not, go top ,YOU WANT TOP NO MATTER WHAT!!! You will destroy the one person versing you, unless of course it's jax or teemo. PUSH PUSH PUSH! You want to push so you get the most minion kills, and so you can go jungle once your opponent is a safe distance away from your turret. Once you have wriggles, JUNGLE A LOT, KILL MINIONS A LOT!!! You will level faster and get items faster. Oh and once you have wriggles and enough confidence, you should go grab dragon.

MID GAME (It starts when your team is begging for you to stop farming and come help)
You have a lot more levels then everyone else, you have more items, and theres a lot of team fights, YOU ARE VERY POWERFUL HERE! But unfortunately it will go like this.
MID GAME GUIDE!
Push towers with team, farm with team, kill people with team, TEAMWORK! ( I hate it! Teamwork
makes me sick!

LATE GAME
Wait you let it go this far? How? Is someone that bad or that good to have a LATEGAME IN TT?
Well anyways, its basically like MID GAME, but your equally as powerful as everyone else.
GUIDE for lategame
Kill the dragon, kill the turrets, kill people.

ENDING
If you did not see "You Win!" across the screen you didn't try hard enough, or you didn't get to play Nocturne due to a ban or some nub picking him.

SUMMONER SPELLS! (reccomended)
Exhaust, is nice for ganks or getting away.
Flash, is nice for ganks, getting away or getting over walls.
Ignite, if no one else on your team gets it.
Ghost, I guess...if your one of those ghost addicts.

Skill sequence
R > Q > E > W
Gives biggest burst.

FARMING!
Using Q into the mob then hitting them all with your passive should work well.

SKILLS EXPLANATION!

Go all the way to the top to the skill sequence and you will see the skills....scroll over them, ZOMG ITS MAGIC!!

Jungling
Kill the jungle creeps whenever you can, get the red whenever you can and for the love of god! Get the dragon whenever you can!!

Pros

He pubstomps hard early game - mid
Most ranged spells I've seen on a melee champ
Passive + Q is op early game
Ult is epic for ganking.
Has a poke? Sort of?
Fear!
He makes people **** themselves when he uses his ult.
BEST FARMER IN THE GAME!!

Cons

Basically only uses Attack damage, therefore easily counterable.
If you miss your Q you are in trouble? Maybe?
Can screw up with ult.
W can be challenging to use.

Wards
Put them where you need to. Early game you would put them where you need to so you don't get ganked. Mid and late game it would be at the dragon.

Hope you enjoyed my guide? Upvote, or downvote D: and leave comments please.