Absolute Sword Sense

With his dantian shattering from a ki rampage So WoonHwi was cast aside by his family
After that he was kidnapped by the Blood Cult where he spent his life as a thirdrate spy
One day hes killed after being used to find the legendary Secret Records of the Sword Sage
But instead of really dying he wakes up 10 years in the past on the day he was kidnapped by the Blood Cult along with the power to hear the voices of swords