"It's... a long story. The Prince keeps some dangerous objects around his study." The actual burning is 100% their own stupidity, but it only happened because of poisonous spiders.

But he at least follows Ginko's instructions and sits on the edge of the cot. He pulls his sleeve back carefully to reveal the extend of the damage, extending from his fingers to the middle of his bicep. But at least, as far as he can tell, the poison is gone. Unfortunately, that means the numbness is too and this is probably going to hurt.

"It is not as bad as it could be... if the damaged skin is removed, it will grow back." He just doesn't want to leave his arm raw and sticky and sensitive when he's still going to need it.