In the context of the animated series Miraculous: Tales of Ladybug & Cat Noir, the theme of keeping secrets and promises is crucial to character development and plot progression. Chloe Bourgeois, a recurring character, often grapples with her ambitions and relationships, leading to moments where she may break promises.
The most important rule regarding Chloe breaking her promise or keeping a secret would likely center around the consequences of trust and friendship. Characters in the series often face dilemmas about honesty, loyalty, and the impact of their decisions on others. The lesson might underscore that breaking promises can lead to broken trust and strained relationships, which are important themes in the show.
If you're looking for a specific episode or scenario, it would help to provide more details! Otherwise, the essential takeaway remains that keeping secrets can have profound implications, and honesty is often portrayed as a foundational value in relationships.