Here are some stuff I've picked up:
He never did Ecstasy
When Sabbath got successful in the mid 70s one of the members had a big communal table with massive quantities of coke, they'd do a line or two go to the recording studio for a bit, come back and repeat.

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Tony Iommi = God, his arch angels are Ozzy Osbourne, Dave Walker, Ronnie James Dio, Ian Gillan, Dave Donato, Glenn Hughes, Ray Gillen, Tony Martin, and Bill Ward (bassically everyone who sang on a song labeled Black Sabbath)