League-of-legends – way to know, in client, if the champion I’m about to play is AP oriented or AD oriented

There is a way to see the skills of enemies altough not all i think (It's been a while since i checked it). If you die and you click on death information (seeing wich enemy killed you and such) You will see what skills did damage to you and some information, also it will show you some tips about the enemy.

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Update: So If you die you have the death recap, you can click on enemy champions and see some tips. The same as the champion screens i think. And then you can hover over some of the skills that did damage to you and get some info about them. But thats all tho.

The best option is to go premade with people you know.

If you solo then yes you should ask people what builds are they using and what lanes they want to be in,people will often be ok and tell you how they plan to play the game,but of course there are times when you just get people that want to troll and there is nothing you can do about it.

Personally what i sometimes do when i enter solo queue is that i type in:"STOP DON'T LOCK IN" as soon as i enter queue,and people often listen and do not lock it after that,and then i tell them that we should build our team carefully and most people are ok with that. Of course some people get rude about it and lock in with random champion and there is nothing you can do about them,either dodge queue or stick with them and hope for the best.

I would also mention that even if you get really weird team combination that you can still win if you're lucky.Even if your team may have crappy combination there is a chance that enemy team doesn't have good combination either or that they don't know how to play their champions so good.So there is always hope.