How does qq decompose buff when it is in Feilongmen?

1. First, open the game qq coaster, log in to your personal account, and click to enter the game interface.

2. Secondly, in the game interface, click the activity option in the upper right corner to enter the activity page.

3. Finally, find the Dragon Gate Breakthrough activity on the activity page, click to start the challenge, then wait for the Dragon Gate to appear, and use the carp elf attack to decompose the buff.