coolest skin series?

i think u can counter him with shaco bard pyke he so week against theme especially shaco + using exhaust on Rengar when he comes out of his ult will reduce his damage by 50% preventing him from 1 shotting your carrys and avoid dueling a Rengar when his resource bar is near full, as his skills will become empowered.
My favorite is Project, follow by the Star World the lore behind is really good