The phrase "blows kingdom come" refers to a powerful impact, often with destructive or explosive consequences. Its antonyms may include "gently," "softly," "lightly," or "gradually," indicating a more subdued or controlled action. Other antonyms for "blows kingdom come" could be "retract," "withdraw," or "relent," indicating a cessation of force or a retreat from a conflict. Other antonyms may vary depending on the context in which the phrase is used, but the common thread among them is a sense of restraint or a lack of extreme force or impact.