```
Purple-tier skills were already difficult to train in, let alone the Furnace Tempering skill that required three days of rest after each practice session.
It might take years to go from beginner to proficient.
"Ah, this really is vexing."
"So..."
I won't practice seriously anymore~!
Panel, give me some points!
Fang You directly piled up nine white-tier training cards for himself, and in the training space, he endured all sorts of torment. It was common for his body to suffer backlash when Furnace Tempering practice failed.
But,
since the training space locked blood and life energy, that wasn't a problem.
After enduring nine sessions of special training that were even more difficult and time-consuming than before, Instructor Fang, drenched in sweat, returned to the living quarters of a Fourth Grade Angel Envoy.
'Furnace Tempering (Proficient): 0%'
