@llama.stanna He probably doesn't know himself. You've probably seen it by now,
Spoiler!
but he started using a cultivation technique that granted power at the expense of sanity and memory.
He's also a fuc**** coward about his son being stronger than him.
The Galactic Navy Officer Becomes an Adventurer
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM