WHY IS MY TORCH EMPTY?

The torch with butane gas inside belongs to dangerous goods, so the fuel will be removed when shipping due to safety precautions or law regulations. You would need to refill the torch with butane fuel after receiving it.
https://www.gas-torch.net/why-is-my-torch-empty/
https://www.gas-torch.net/product-category/butane-torch-lighter/