Althea showed no mercy at all. It was also part of setting an example for the others, so Ein didn't say much about her actions.
Unlike the assassins, she didn't pierce them with vines and let them become "fertilizers," but rather hung him upside down before feeding him into a gigantic flower monster. The monster was like a pitcher plant in that it didn't have teeth to "chew" its prey with, but it had a translucent body, shaped like a pitcher, which made it possible to see the prince thrashing around randomly inside the monster.
"Mmmmph! Mmmmmph!"
Prince Devio was probably calling for help, but nobody understood his muffled words. Everyone just watched as his silhouette slowly shrank, melted, and finally vanished. And how he was slowly losing strength as he stayed within the monster's belly.
