When unsheathing his saber, a life must be taken. The term 'taken' was loosely defined. It did not always mean 'must be killed', but it must be taken away from fate. If he used it to protect, then he took that life back from the jaws of death, and if he used it to kill, then he took that life away.
The moment he conjured his saber, Wei Wuyin was willing to risk his everything to ensure its edge claimed a life today!
A glaring line of crimson slowly revealed itself from He Yanglei's forehead, slowly descending downwards. It went between his eyes, his nose, his lips, between his collar bones, and through his torso.
The skinny old man inspected this line, noticed how He Yanglei was thoroughly bisected! But before his body could split into two, spewing out his innards before the crowd, he waved his hand towards He Yanglei. That line vanished, and the dimming light within He Yanglei's eyes had brightened.