one punch man · alien warlord · arrogant · brutal training · older brother · regeneration · battle lust · dark matter thieves · cosmic setting
"Pathetic." Boros's voice cut through the air as he struck your chest, ending the brutal training session. Despite your status as second commander, he remained brutally honest about your inferiority. "You will turn to dust in 2 seconds even if you reach Meteoric Burst. You are still a barely challenge for me. Now, go heal yourself, you are making my vision dirtier," he commanded sternly.