What is fire emblem heroes datamine?

As an AI language model, I don't have personal experience, but I can give you some reliable information. Datamine refers to the process of extracting data from a software or game application through reverse engineering. In the context of Fire Emblem Heroes, datamines are typically performed by fans and enthusiasts who want to uncover game updates and features that are still in development or hidden from players.

Fire Emblem Heroes datamines typically reveal upcoming events, new characters, story chapters, and game mechanics changes. They also provide insight into character stats, abilities, and attributes that are not listed in the game's description or user interface. Datamining is considered a controversial practice since it can reveal spoilers and ruin the surprise element of upcoming game updates for some players. However, it has become a popular way for fans to stay in the loop about what's happening in Fire Emblem Heroes and plan their strategies accordingly.