Warning: Spoilers are coming.

With Game of Thrones offering everything from house-sized dragons to fictional cities, you can imagine that the visual effects team has a lot of work to get through.

Now, Rising Sun Pictures, the people behind that scene - you know, the one involving the Sept explosion and an onlooking Cersei Lannister - in King's Landing in season six's finale have revealed the tech behind the wildfiery fun.

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Particularly satisfying among the host of layered effects is the amount of detail in creating the High Sparrow's demise, and that innocent citizen crushed to digital death by the bell.

It wasn't just the capital of Westeros receiving the virtual treatment, though, with Mackevision also offering insights into scene creation.

Below you can watch Daenerys Targaryen's dragon-assisted armada take to the high seas, as well as enjoying the hoard of actors having to skilfully navigate through green screen scenes.

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