Wales will be vying with hosts England and Australia to top their pool, which also includes Fiji and Uruguay.
Pool A will claim one high‑profile victim but Davies says Wales know what it takes to beat England and Australia.
If they beat England and Australia ‑ and they've got it within them to do that ‑ and top the group there is a good line to the final.
Wales kick off their World Cup campaign against Uruguay at the Millennium Stadium on 20 September before facing England, Fiji and Australia.
The top two will progress to the last eight.
The Pool A winners will face the runners‑up of Pool B, which includes South Africa, Scotland and Samoa.
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