Yuumi is the Champ with the lowest Base Health, but if your adc doesnt die, you wont either and to assure that he wont die you can give him all the Heals and all the bonus AD. after all, they cant kill you if you kill them first.

With this build you can acceive +200 Addaptive force with your W. wich roughly translates to: Easy Win.

However, in most cases trying out this build i didnt come to far, as whenever i had the first 4 Items (Frostfang, Ardent,Unholy Grale and Majais) we already won the game. in most cases we won after only getting Mejais.

So what this basically means is that if you build this build and you get to have a chance where you can buy Mejais early on as first back, you are probably guaranteed to win, if the rest of the team doesnt **** it up.
if your adc is not that good however and you see them running into the enemy tower for no reason and feeding, try to stay on Lane, but dont attatch, only for q's and occasional heals. dont let yourself get killed, play safe. untill laning phase ends and you can go to a more competent member of your team to support them.

I am open for suggestions on this Guide, it is the first one I have ever created.