Anthony Belleau, second left, offers his thoughts at French rugby training in Auckland ahead of the opening test against the All Blacks.

French first-five Anthony Belleau admits the All Blacks appear "superhuman" but has implored his team to front up in the opening test in Auckland on Saturday night.

Belleau made his test debut in last November's highly competitive clash with the All Blacks in Paris which New Zealand eventually won 38-18 and the youngster is seen as a real World Cup prospect.

The 22-year-old Toulon playmaker is relishing the challenge of taking on the world champions in their own back yard but realistic enough to know the size of the assignment in front of him.

GETTY IMAGES Toulon playmaker Anthony Belleau on the break during the Brisbane Global Tens tournament.

"When they play together, it feels like they are superhuman," Belleau told French media after a soggy training session in Auckland.

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But he said France must back their own beliefs.

GETTY IMAGES Anthony Belleau said facing the All Blacks' haka in Paris last November was "a privilege".

"It's the best team in the world, but you also have to feel able to beat them. If we look at them too much, we will only turn to look at them in our in-goal," he said.

"They are like us with two arms and two legs. And then we can respect them by showing them that it may be the All Blacks, but that we come to play a rugby match. You have to try to hurt them."

Belleau marvelled at the All Blacks' speed, technical skills, and ability to patiently work their way out of trouble.

"They adapt very well to the situation they find in front of them. They have this intelligence that allows them to work around problems," he said, adding that it was often the support players rather than the ball carrier that presented the real dangers.

Belleau, who described his debut as "a beautiful baptism of fire", is relishing another personal clash with world player of the year Beauden Barrett.

He conceded Barrett was "probably better" than any other No 10 in the game with his speed and vision, but the New Zealand star benefited from his surroundings.

"It is probably easier when you have 14 All Blacks around you. I'm not saying that if I played with them I would be the best player in the world, but it helps anyway," he said.

Playing the All Blacks in New Zealand was a far greater challenge than in Paris and, as past French touring teams had done, it was important to play with freedom.

"We must also keep a little child's soul … say you are here to play a rugby match, have fun."

The French have produce some of the most passionate responses to the haka down the years and Belleau spoke of his own experience and how pumped he was. He had watched it many times on TV but experiencing it first-hand was "a privilege".

"I felt that they challenged me. It's a huge moment, it rises in pressure, the adrenaline increases. It's a great moment that gives you a lot of motivation," he said.