The primary achievement is the elimination of the internal conflict between who she is and who she feels she should be. Conclusion
In Upgrade , a woman’s body is controlled by AI; in The Substance , an aging wife/fame figure uses black-market cell modification to spawn a younger, “better” self. The latter explicitly portrays the wish to become new as diabolical — the original self is literally discarded. The new self is more powerful, sexual, and ruthless. diabolical modified wife she wishes to become new