The Cuju side quest in Where Winds Meet is part of the 'One Leaf, One Life' quest line. It includes some ancient Chinese football and protecting Zheng Ran from being bullied. Here's how to go about completing it.

Rewards

Rewards Quantity
Echo Jade x8
Coin x1000
Stored EXP x1000
Oscillating Jade x2
Kaifeng Exploration x5

Location

The quest takes place in the South Gate Avenue of Kaifeng City, Kaifeng. The nearest teleportation landmark is Forsaken Quarter.

The exact location is given above.

Walkthrough

Step 1

Get to the quest location. For simpler navigation, use the Forsaken Quarter landmark teleport. Then find the location as shown below.

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Step 2

You'll see Ren Xiaopang practicing Cuju with a few boys around him. Go up to Ren Xiaopang and talk to him.

Step 3

Ren Xiaopang will challenge your skills. Accept it.

Step 4

Keep the ball off the ground while juggling it from one foot to the next. Chain together as many combos as you can and make sure you end up with Grade A.

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And that's it.

As the winner, you ask Ren to stop calling Zheng Ran the 'Blind Kid', a thoughtful gesture but one that necessary for the quest.