"Self-cursing, or rather, a specific self-transformation, is only the threshold to third-tier…"
Before, Lu Ping'an had only heard about self-cursing and had learned a little about its weaknesses and strengths through his interactions with Wang Hai.
In his past perception, it was merely an "equivalent exchange," using a certain degree of transformation to gain greater power.
Now, looking back, this understanding cannot be said to be wrong, but rather incomplete. The real purpose of "self-cursing" is to "change," transforming your basic characteristics as a mortal and modifying them to meet the requirements of a higher-tier (third-tier) profession.
"Just the recovery ability after being injured, this profession seems quite suitable for me…"