Game Of Thrones is a modern phenomenon. The epic fantasy series premiered on HBO in 2011.Based on George RR Martin's incomplete A Song of Ice and Fire book series, the show proved hugely popular and spanned eight seasons.READ MORE: House of the Dragon star admits he's 'past it' as he wasn't part of any sex scenesThe series also proved controversial and drew a lot of criticism over its premiere reign.As the Targaryen-based Game of Thrones prequel House of the Dragon gets set to swoop onto TV screens, Daily Star takes a look inside the original show's most gruesome moments.Prince Oberyn Martell had a pretty strong grudge against Gregor 'The Mountain' Clegane when the pair duked it out in a trial by combat in the show's fourth season.The Mountain was rumoured to have murdered Oberyn's sister Elia and her children at the request of Tywin Lannister.With Oberyn stabbing The Mountain with his poisoned spear during the trial, it looked like the end was in sight.However, a nasty twist in the tale resulted in one of Game of Thrones' most gruesome deaths.As The Mountain got the upper hand on Oberyn, he confessed to the rape and murder of Elia and her children.He then proceeded to gouge Oberyn's eyes with his fingers before crushing his skull with his bare hands in truly grisly scenes.The Mountain may have victored in the battle but he far from got away with his crimes.Following his supposedly fatal poisoning from Oberyn's spear, dark magic was used by Qyburn to restore The Mountain to life as a zombie guard for Cersei Lannister.The Red Wedding proved Ned Stark's beheading was far from an anomaly, with no character safe from GoT's savage storylines.Renowned for its brutality, the season three masssacre saw Catelyn Stark, her son.
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