The Dos and Don'ts of a supporter
[I got bored and decided to make this. Hope those pictures pop up.] [This is on GD but I decided to drop this here as well because GD is separated from the rest of the boards.] [I guess I will say this is also a thank you present to both Vesh and Morello for looking into Soraka and trying to make her viable again.] Hello there everyone! Do you want to support? Do you know how? Well, don't worry, I may be a scrub but I know how the lane works (sort of...kinda). So I'm gonna give the basic Dos and Don'ts and Soraka here will be helping us with some visual aids. http://fc08.deviantart.net/fs71/i/2013/110/e/1/soraka_by_fbende-d62fse8.png
Do: Take care of your adc. http://24.media.tumblr.com/d5dc48a5df6e987475905f14188395c1/tumblr_mhj8upzU9j1rl88vto1_1280.png They may appear weak at first but they will get a lot stronger later on in the game. That's why you are there, to help them get to late game.
Don't: Take the center stage. http://apollo-na-uploads.s3.amazonaws.com/1411797407573/sorakabuffcart.png The support role is for those who want to support their allies. If you're looking for fame, supporting is not for you.
Do: Place your pink wards nearby. http://fc06.deviantart.net/fs71/i/2013/283/6/a/soraka_and_sona_by_refel_salala-d6lzpe7.png Make sure your pink wards are close enough so that the enemy can't destroy them without getting harassed themselves either by you or your ADC.
Don't: Place pink wards too deep in enemy territory. http://s1049.photobucket.com/user/leagueoflosers/media/need%20more%20space/tumblr_mamhxkyRQK1qkjfsyo1_500.png.html?t=1349284684 It'll be hard for you to protect them if it's too far away and you might grab the attention of the enemy jungler or worse. You can, however place regular wards deep, just make sure you have someone tagging along or you know where the enemy is at currently.
Do: Provide Pressure http://1.bp.blogspot.com/_XjhdwsacUSE/TT8OCCttYMI/AAAAAAAAABE/NJvnR8Q3tbY/s1600/soraka05.png If you want to destroy your enemies, see them driven before you, and hear the lamentation of their women you need to help your ADC and the best way to do that is hurting the enemy champions. Your ADC will either capitalize on your damage and try to secure kills or get more CS because they aren't being harassed.
Don't: Take the kills http://apollo-na-uploads.s3.amazonaws.com/1411797443118/sorakadoublekill.jpg You can get a lot of gold for yourself if you last hit the enemy champions and minions. Plus there's no doubt your lane partner would compliment you on your skills to secure. But that gold would be far better utilized on your ADC. So make sure when you are attacking the enemy, you are setting them up to get killed by your lane partner.
Do: Protect your ADC http://forums.na.leagueoflegends.com/board/attachment.php?attachmentid=1061804&d=1409717358 Even if you have to take a fatal skillshot to the face, you must protect them by all means. By a practical standpoint, your ADC is worth more than you.
Don't: Use your ADC as a meatshield http://apollo-na-uploads.s3.amazonaws.com/1411797420667/nosorakawhtrudoing.jpg Don't be that guy. That ain't cool.
There is still plenty more to learn as a support. Like properly warding areas and considering your position whether you are a tank support or a sustain. But like I said, I'm a scrub and this is only the basics. The best way to learn, though, is first hand experience. So take what you learned and carry your ADC to victory. http://www.fullgameszone.com/wp-content/uploads/2014/01/tumblr_mnc7egPkI81rqtn57o1_1280.png That or get carried to victory.
Edit: hang on folks, haven't gotten this posting pictures down yet. Edit 2: Ok, think I got it. Not gonna lie, this attachment system is silly. Edit 3: Apparently you need the attachments there permanently.
Start with one of these +
and
/
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These trinkets are pending, usually if you rather be safe then sorry you'll get the ward. If you are an aggressive support like Blitz/Leona/Thresh or etc then you might get sweeper. I personally like the ward better because if you upgrade it, you can place pinks down and that way i don't have to buy pinks later on or they don't take up a bag slot.
because then you won't need to buy wards every time you need to B at fountain. The places i most commonly ward are tribush and somewhere along river that gives me vision on that jungle's exit. I then usually use my trinket ward to have one in a bush if we aren't pushing beyond river.
+
- unless you're playing in a full premade, good luck getting the execute on anything lategame. Also, the speed buff (and flat MS) is much, much more useful for engage/disengage than a shield.
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Alternative items:

(and other AP items)
or
and get
later.