What Disease Does the Master Have in Demon Slayer?
He has a mysterious illness that's genetic, leading to his weakened state and facial lesions.
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Kagaya Ubuyashiki has a rare, inherited disease that makes his skin look cracked and causes him to deteriorate physically over time.
The master, Kagaya Ubuyashiki, suffers from an incurable illness that gradually weakens him and causes his skin to develop lesions. It's a hereditary disease passed down in his family.
It's a genetic condition that causes serious health decline and skin lesions. Not much more info is given.
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