How to get the sword and the key to the expedition void?

Rewards for completing tasks and activities.

1. Complete the task: In the game Sword and Expedition, the player obtains the invalid key by completing the main task, sub-task, daily task and guild task.

2. Activity reward: There will be various activities in the game, such as festivals, limited time activities and anniversary celebrations. Players can get invalid keys by completing activity tasks, exchanging activity props and participating in activity lottery.