Two weeks ago, at the same spot where Daneel was standing right now.
The King of Lanthanor clearly remembered being in a lot of pain. He had just stepped out of a pool that almost looked like molten lava, and although he had felt his body surging with power, there had also been pain accompanying it, which hadn't faded for a long, long time.
This was to be expected, though, and was nothing surprising – breaking through from the Amateur Champion level to become a Peak Champion was a completely different thing when compared to his previous experience of simply reaching the peak of the Warrior level. He had known this, but it was only after going through it did he really understand what it meant to be 'reborn'.