Heinz smiled contentedly as he saw Prince Lucien taking ten steps back from the sheer force of impact, his hands trembling from the aftershock of the attack. His smiling expression from a moment ago vanished, replaced with a look of wounded pride. The prince released his colossal bloodlust onto him. Finally ready to take this seriously.
Heinz narrowed his eyes. He had heard from Axel multiple times that the prince was a vicious snake who often fooled everyone around him. Most of the time, the front and facial expressions he shows are, in fact, fake. He may be all friendly on the outside, but deep inside, he's a prideful and vengeful bastard who is exceptionally full of himself. But he doesn't let that sense of superiority within himself dictate his actions, instead. He maintains a cautious attitude.
