The shell of the Artificial Saintess was punctured by Erin's Beam. From a fist-sized circular hole on her flank, wisps of blue smoke were rising, and some kind of liquid metal, seemingly possessing biological activity, was writhing rapidly in the breach, as if trying to repair the punctured part.
This killing machine crafted by the Venerate Saints Monastery boasts extremely powerful defensive capabilities. Its external armor can certainly resist conventional "high temperatures," but obviously, the strange beam Erin had unleashed was not merely "high temperature" — a force with characteristics akin to "decomposition" or "erosion" directly evaporated the metal near the impact point, leaving behind this terrifying scar on the steel puppet's body.
However, Erin seemed somewhat dissatisfied with the effect of this strike.