The fleshy purple and pink petals begin to unfold, sending golden rays in all the directions. If one looks carefully, the glittering bead at the center of the flower is the source of the golden rays. It's the time crystal. The timekeepers process them and use it to make prisons for time travelers. The time travelers can absorb the raw crystal to gain better control of their abilities.
The timekeeper showed me the memories willingly because he was afraid that I would damage Kang Si An's mind. If Kang Si An remembers Li Jun's memories after waking up, the timekeeper will lose more command over his body. Kang Si An might take drastic actions to stop him.