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“Bane was an organic ingredient found in the Bubble Shock! soft drink. It resisted analysis, as...Bane (ingredient)
“Ood graft was a substance that, suspended in a biological compound, could change a human into an...Ood graft
“Coal was a black stone used on Earth for burning. (TV: "Mighty Kublai Khan") The Sixth Doctor...Coal
“Leather was a material made by tanning animal skins. (TV: The Coach with the Dragon Tattoo...Leather
“Sleep dust was a crusty, sand-like substance resembling dust, discharged from humans during...Sleep dust
This category has the following 3 subcategories, out of 3 total.