10 Most Powerful Items In Game Of Thrones
4. Wildfire
Wildfire is insane. It's the perfect combination of devastating and gorgeous, with its green flames able to wipe out entire fleets from one spark, or blow-up an entire Sept of people. Stannis Baratheon knows all about the stuff, and it virtually ended his claim.
Cersei, meanwhile, used it to seize total power. While conquering King's Landing probably won't mean a lot if the White Walkers sweep through Westeros and virtually end the world, it's still a big deal in the meantime. It's an incredibly destructive substance that no one or thing, so far, has been able to withstand.