"Those would be the lime bloods." She pointed to the fourth section up from the bottom.

"It was before my time," or more accurately, their extinction happened some time in her absence, "and you can't really trust many of the history books you find on Alternia. Most have a rather revisionist take on things, so while there is not denial that the lime bloods were hunted to extinction the exact reason as to why they were is nebulous. The most trust worthy theory that I know is that the Empress may have seen them as a threat, for they had powerful abilities and were large in number. It's hard to say."