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.
I've even copied previous working solutions that don't use .join() and I am still getting the same error saying I'm using join. I wonder if it's something to do with the tests?
I've only ever really played 5e, so coming to 3.5 feels crazy maths heavy, haha