Upon bringing the monster (his creation) to life, Victor becomes ill and almost dies.
From textual evidence;
Victor succeeds in bringing his creation, an eight-foot man, to life in November of his second year. Excited and disgusted at "the monster" he had created, he runs from the apartment. He wanders the streets of Ingolstadt until Henry Clerval finds him in poor condition.
On this note, Victor becomes ill and almost dies as a result of bringing the monster to life.
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