This 1 is very old (From my main old account, my other account got banned
) 
This one is new : 
if you did buy just bersk graves,2phantom,2blood,1 infinty you could solo baron and own everychamp that came.
i did make around 6 unofficial pentas never made a penta with yi:( and if you have all those items sell your boots and buy a blood or warmog becouse you dont need that speed 2 phantom dancers and pressing r makes you still a usain bolt!