The Champions League starts at Throne level 4.
To access the activity, go to arenas then Champions League.
The Champions League has 30 levels, each with a reward depending on the level achieved. The rewards depend on the throne level, e.g. at Throne 11, you can have throne-dedicated content such as a mithril chest, etc…
To earn points, you need to take part in arena battles; the higher you are in the ranking, the more points you earn.
Please note that points cannot be stored.
Passes cost around 5 €. It’s cheaper to buy from the in-game store via the Internet and Android.
No need to buy the pass with the +10 levels. Regarding the 10% discount, this refers to the price of reconverted diamonds you could have spent.