Bombs, A Princess and a Gray Town

S1, E2: Colio and his companions find themselves at the Toatt Mine region still searching for Hamyutz. However it isn't long before Lumion, a local Armed Librarian discovers that they are human bombs. In the ensuing confusion one of the bombs detonates killing Lumion and this in turn prompts Hamyutz herself to head to the Toatt Mine to search for those responsible.