She is a lot less amenable to sunlight than her brother is. Rio's ideal life would be spent in the underground with her glowing mushrooms. This does lead to a lot of innovation and breakthroughs in how to actually use said mushrooms the way they used to be, though.

Talks to mushrooms? Immune to poisonous mushrooms. But knows which ones are poisonous so others can avoid them.

Not afraid to lie to get her way, also kinda uses it as a coping mechanism maybe? her other coping mechanism is being very defiant of most things regarding death and trying very hard to prevent it happening again. this definitely won't backfire on her ever I'm sure.

Doesn't like the feel of most clothing. only her glows pretty much.