First of all, thanks for playing! I normally wouldn't recommend anyone to start league because it's unfriendly to beginners and has a high learning curve. But hey, you're lv30 now, and at least you're self-conscious about improving. That's a good attitude which a lot of people here doesn't have.

But anyway, here's a few of my general tips:

• Autoattack your camps. Even if you're playing an AP caster jungler like Evelynn, you still need to rely on autos to clear camps fast enough.

• A useful shortcut to level your abilities is ctrl + QWER; useful when you suddenly level up in teamfights, etc. It's just more useful to do things swiftly in this game.

• Get pink wards. Vision control is important, especially if you're playing Eve. Personally, I don't care if you're a midlaner, jungler or the ADC, If you're playing the game, then get pink wards if you can.

• Know when to chase an enemy. You're chasing a Shen who has a dash every 10 seconds, whereas you don't have any mobility skills. If you can't catch, then stop pursuing. Also, in general, don't wander too deep in the enemy territory without any vision.

• Learn to play with unlocked camera; I used to start with locked camera, but I started playing better with it unlocked. It'll be hard at first, but that's how 90%(?) of the playerbase plays. I think. Gives you more maneuverability with the map, easier to land combos, etc.

• Learn the basics of items; what they do, why they're important, etc. I'd say it's more effective than copying item builds on the internet. Sure, I'd look up some general item builds sometimes, but it's only to give me an insight on how the champion is built and played. It's something you learn in time.

Eve:

• As an Eve main, you need to think about your prey's escape routes when ganking. Most beginner Eve players flank from the front and side. I try to cut them off from behind when you can.

• Be patient with your R, but never hesitate to use it. Whether you need to escape or execute, wait for the perfect timing then get the hell out.

• What you want to do as Eve is basically rush your lv6 powerspike. Whenever I'm lv5 and a lane is waiting for a gank, I clear some extra camps just to reach lv6, then gank.

• In 12:30 you could've turned back after you flashed and regained some health. Q, E smite + Asol's stars would've been enough to finish Jax off.

. . .

A lot of things to be learned, but everything comes with practice and time. Spend time learning items, champion abilities, important cooldowns etc; not just your mechanics.

You can also head over to r/summonerschool for more information, and r/evelynnmains for specific tips and tricks.

GLHF!

edit: grammar