The question of how to get legendary cards Clash Royale arena 6 is still considered as something quite common, even though there are answers saying that you can buy the king chest from the store with the gems that you have. The main reason is because not all of those people realize that you cannot simply buy the legendary cards that you want because of these things.
Tips to Buy Legendary Cards
For the start, the store does not sell the legendary cards. However, from the store you can buy the king chest that will guarantee at least one legendary cards with some other cards that might be useful. The second thing is that the legendary card that you will get from the chest is totally random so that you cannot expect to get the specific cards.
The last but not least, the king chest is something that you can buy from the store when you are at arena 7. That means, when you are still asking about how to get legendary cards Clash Royale arena 6, you might want to simply go a bit higher. After that, you can simply buy the king chest that will guarantee you to get the legendary card that you are looking for.