After all, it was a "Blood Rhythm" ability, activated by burning blood, so there was nothing wrong with it. Moreover, after becoming a member of the Blood Clan, the speed of life recovery had greatly increased. His current 10th-generation recovery rate was one point per second, and as the generation number would decrease, it would certainly become even faster.
Like that Transformer brute he had encountered before who got his head blown off by a pebble, yet could recover in a few seconds, it was almost like being immortal in battle!