As their fierce battle intensifies, Revolver senses the hesitation in Soulburner's heart and is disappointed by it. His reaction enrages Soulburner who cuts himself free from the pain of the Lost incident and the sadness of losing Flame, and calls a mighty conflagration to his hand!
It's not pathetic.  And 
there's no need to apologize.
Das ist mitnichten erbärmlich.
No tiene nada de malo.
Y no es necesario que te disculpes.
Não é patético. E não precisa se desculpar.