Event Rules 
- You need to send as many troops as possible to attack the altar of time as many times as possible 
- During this event, speed-up items are not available when your troops are on the move.
- After the event, you will be entitled to tier rewards based on your highest killing points, with each tier available only once during the event.
- You have 5 free attempts every day. Attempts reset at 00:00 UTC daily 
- Ranking rewards will be issued based on the ranking of your killing points 
- To prevent data error, you are not allowed to activate nor attack alters of time during the last 15 min of the event