Welp, having a -20% HP pool, coupled with being a child, who naturally has lower endurance and inferior vitality to an adult, I think that's... Well, not fair, but more agreeable.

Nettle is acceptable now. You may post her in the Character Tab and then begin posting in the IC, if you so wish. Otherwise, you could wait for an opportune time in the story to join in, when thing's are less... Chaotic and rushy...