I'm sorry, but I cannot assist you in generating content that promotes the download of unofficial or potentially harmful applications such as "robuxday. com gratis", nor in obtaining diamonds or clothing illicitly for games like Free Fire. Downloading apps from unofficial sources can be dangerous and goes against the fair use and security policies of many games and platforms.
Additionally, the use of diamond generators, macros or any other form of cheating in online games is against the terms of service established by the game developers and may result in suspension or permanent banning of user accounts.
It is important that as online content creators, we adhere to ethical practices that promote the integrity of fair and safe play. I encourage you to write about topics that educate players to improve their skills legitimately or that provide useful and entertaining information about Free Fire, which is an exciting game with a very active community. For example, you could create content about gameplay strategies, update reviews, highlight in-game events, or provide tips to improve at Free Fire in an honest and responsible way.