What is the meaning of 邪気?

An evil or malevolent spirit.

An illness or disease.

A bad nature or disposition that could cause disease.

Malice, maliciousness, a menace, ill will.

An evil or malevolent spirit.

An evil aura or chi emitted from an evil spirit.

A cold, an illness.

An evil or malevolent spirit.

A curse.

Source: wiktionary.org