Guild wars 2 WVW help

[kongxh123]

Guild wars 2 in WVW how to realize the permanent invisibility of thieves and can attack and put an end to the enemy, and will never be found? Midnight V1 what to do? I need help

[ILionidasEU]

Could you please try to speak clearly?

[kongxh123]

Originally Posted by ILionidasEU

Could you please try to speak clearly?

I am a Chinese player, English is translated, I'm sorry

Look at the video, you can find out what I want to say.

youtube1:

youtube2：