Just how intense were the cells where werewolves were kept on full moons? Angry magical wolf or not, surely a werewolf couldn't break through a well-cast shield charm? Ruby was actually good at Charms, she could probably charm a lock from being violated by her twin's beastly antics.

"Would drinking a sleeping draught help?" Ruby naively asked. Surely it wouldn't keep Topaz actually asleep, but sleepy enough so that she wouldn't have the energy to try and escape.

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