Paul John's men are currently lying in seventh place on the points table, having picked up the Plate finals in two of the opening three legs prior to Christmas.
Wales face three potential banana skins in their pool with Fiji, Argentina and Tonga who capable of pushing Wales to the limit.
Wales kick off their tournament tomorrow against the big hitting Tongans before facing Argentina and Fiji.
"This group is really tough to call. When you look at it, all the teams are capable of beating each other so it's going to be really tough to get out of the pool," said Paul John.
"The boys have trained hard all week since arriving in Wellington and are raring to go. We had a warm-up against Australia mid week which blew away a few cobwebs and now we're eager to get going."
Wales squad: Lee Williams, Steffan Jones, Alex Walker, Jean Baptiste Bruzulier, Kristian Phillips, Rhys Patchel, Mathew Pewtner, Rhys Shellard, Will Price, Richie Pugh, Richard Smith, Owen P Williams