The breakdown and the defence have been identified as areas where the team can take a step up, Barrett said, after the Irish won the early collisions and scored three tries at Eden Park.
"We want to take our game to another level and we have already identified many areas to get better," Barrett said in Dunedin.
"Obviously, there were some missed opportunities out there on the weekend. And although it was our first go at it, we would like to improve a lot."
