Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
It's not clever but a sneakier one. Anyways, I don't do it anymore now. What's even the point to grind like this if you know you didn't actually earned the reward properly...?
'0' is just a placeholder, so that the index in array l is identical to the number, it could be anything else, as zero is not in the range of our function, as stated in the description.