The perfect double undercover

What is it like to be an undercover agent sent to the Nine Heavens by the Immortal from a foreign land, holding an Anlan gun?

Collecting Taurus?

Collecting tanks?

Collect the Immortal Shield?

Then collect the complete Biwang set.

Open King's Contempt.

Singing the song of Biwang.

Summon King Bi's true form.

Fight all the way into Jiutian and destroy a bunch of young men?

It seems...it's not impossible!