In ordinary cases, Peter Johnsson forges swords to museums and collectors around the world.

And this fall, he can also add huge HBO production to his resume.

It was one of the authors of "House of the Dragon", who previously ordered swords privately from Peter Johnsson, who got in touch and wanted his sword to be included in the series.

- It was interesting that the swords in the story are almost like people, there is a mythology and history behind them.

Then you as a swordsmith and illustrator can make them feel credible in that world and at the same time that they convey a part of the culture that is otherwise not conveyed in the script, says Peter Johnsson.

In the clip above, he tells more about the unusual mission.