The antonyms for the phrase "went ruin" can be numerous based on the context of the sentence. For example, if "went" means "to collapse" and "ruin" means "to destroy," then the antonym would be "revived" or "rebuilt." Similarly, if "went" means "to deteriorate" and "ruin" means "to damage," then the antonym would be "repaired" or "fixed." In general, some possible antonyms for "went ruin" could be "flourished," "prospered," "recovered," "restored," "thrived," or "rebuilt." In any situation, identifying the opposite of "went ruin" relies on understanding the exact meaning of each word in context, and choosing a word with an opposite definition.