What's('re) the best champion(s) for climbing out of low Silver/high Bronze?

TOP:

JUNGLE:

MID:

ADC:

SUPPORT: and ANY egirl champion

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Switching to English will help you out while playing on the North American server

He goes even/wins all lanes in Silver 5 when mastered. Flash Combos can cheese players very easily and get ahead, creating a "Zed Snowball Effect" on a supposedly late game/weak early game champ (he's only "weak" early in higher elos).

With good CS-ing and a few kills he can easily get 1-2 levels ahead and stat-check the whole enemy team (literally no one can go near him without getting blown up).

Has powerful and reliable spammable AOE abilities to dominate team fights and blow up squishies.

Late game hyper carry (even better and more reliable than ADCs). With the following end game build he can fight and kill nearly anyone

(Morellos prevents enemy fed ADCs from life stealing and will allow you to kill them with even/superior EXP)

Teams will keep throwing their leads so the game will tend to get to late game about 60-70% of the time. This is where Vladimir absolutely destroys.

Pick/master champs that aren’t high skilled but are fun for you to play. Then watch videos for farming and such in your role. Then put it to work. I think most people succeed when playing champs they enjoy mixed with learning the macro play. And don’t be hard on yourself for losses. I went 3 and 3 today.

The issue isn't so much the "best champion" there's plenty of champions to choose from and what you want to do role wise/ playstyle will partly decide the "best" champs for you so without more information it's hard to really answer you. Honestly your biggest issue is you aren't sticking with only a few champs and even then you should be playing 1 champ nearly all the time in ranked if you want to do well except for when they get picked/ banned before you or if the enemy is a counter and you can't hold you own against them for whatever reason. Looking at your match history though you literally have a bunch of champs played in ranked all of them with 1-2 matches played except vlad who has 5....

That said while my answer is biased since he's basically my main i'd say the best champion is alistar since he can literally go everywhere except adc but then again the "best" at what exactly? do you like dueling? do you like being tanky/ engaging? maybe you like bursting people quickly and then getting out of the fight who knows need more information like I said.

I will say one of those Mid or / Jng

There is no champion that makes climbing easier. You can pick any champ to win. All you have to do is know your cahmpion and how to play the lane and the map.