>>88033999They could have tested her IQ, started her with easy tests, then gave her progressively harder tests which she started to fail. The narrator even says that she struggled with the simple puzzle of putting the blocks together to make her cube. Someone once asked Henya if she could create cool tech yet she got all nervous and claimed she didn't have the money or resources to do it. Her entire character is us doubting whether or not she's actually a genius, so I'm pretty sure there will never be any lore to confirm or deny it.
