embodiment; incarnation; personification
Figurative use: someone or something that perfectly represents a quality, often negative. Common in phrases like 悪の権化 (embodiment of evil).
Kannon Bodhisattva is said to appear in various incarnations to save sentient beings.
He acted as if he were the embodiment of evil.
あの政治家は腐敗の権化だと批判されている。
That politician is criticized as the personification of corruption.
From 権 (provisional, temporary) + 化 (transformation, manifestation). A Buddhist term originally referring to a Buddha or bodhisattva appearing in a temporary form to guide beings.