The leader of the Skelefiends first shoot an acid arrow to the team of the first princess to make them hide behind their bastion, before he used the momentary gap to look at the leader of the pirate.
"Oi, Joshua you piece of trash, what the hell are you doing!", he shouted.
The leader of the pirates who was already angry after being lied to and used as cannon fodder, because the Skelefiends had a sudden "emergency" that made them late for their joint attack against Daphne.
What the pirates didn't know is that the Skelefiends weren't lying, the so called "emergency", was them going to look at the place where their envoy was supposed to be as well as one of their allies in the form of Ulkrear.
They felt something was off since the envoy hadn't returned, so they had to take a detour to see what happened, and ended up finding an empty land which had signs of having being used as a battlefield.