Targeting Single Character Face/Body Swap in Wan 2.2 Multi-Subject Videos

SilentThree · reddit · 2026-08-10

A user encountered a precision control issue while performing face/body swaps with Wan 2.2: when two characters are in the frame, they want to replace only one while leaving the other untouched.

The author found that relying on text prompts and the "Grow mask with blur" parameter yields poor results, often modifying the wrong character. Since prompts do not seem to feed into the mask generation logic, the user is seeking advice on how to manually create or adjust masks for accurate isolation.

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