Kohaku is forced to destroy Ryusui's statue to prove that she isn't a spy.
As far as they're concerned, 
they're just useless rocks.
.فبالنسبة لهم هم مجرد صخور لا فائدة منها
Para ellos son piedras sin valor alguno.
Para ellos son piedras sin valor alguno.
Per loro sono solo pietre senza valore.
Pelo que eles sabem,
são apenas pedras inúteis.
Для них это просто бесполезные каменюки.