I went 40/4/1 w/ fizz on coop vs ai... I had rod of ages, lich bane, sorcerers shoes, liandrys torment, rabadons deathcap and void staff for my gear. I killed 150 minions/40champions/20.3kgold/lvl18. Should I move on to pvp? or stay?

This is my 10th game... 9W/1L