Quick, Comrade!

Pretend we are fire!!

🔥🔥💀💀🔥🔥

Good thing the guards at the Black Gate didn't have drones, or Frodo and Sam would have been caught and promptly set on fire

Invisibility cloak it is not

🌻 🌻

Sadly, they didn't quite understand the instructions due to translation.

Only Death's cloak can impart invisibility on the wearer.

Wearing a cloak + death at the same time may be close, but ultimately does not have the same result as wearing Death's actual cloak as we can see.