"I didn’t realize then that I would never see Ozzy again after that night," Butler writes of the July 5 "Back to the Beginning" show in England.

Black Sabbath bassist Terence 'Geezer' Butler shared an essay about his friendship with Ozzy Osbourne and their final gig together before the rocker's death at age 762. In the essay, Butler said he 'wasn’t prepared to see how frail he was.

Ozzy Osbourne was unwell for years ahead of his devastating death, but Black Sabbath bandmate Geezer Butler has admitted he was shocked by how ‘frail’ the icon had become. Ozzy died aged 76 on July 22, mere weeks after the War Pigs legends had performed their final show in their home town of Birmingham.