C1978 Styx Halberd
Goldenrain Tree King naturally knew that he wouldn't be able to live for long.
Even if he didn't die today, in less than ten years, his thousand year time limit would descend. Even now, he had not reached the late stage of Five Elements Reincarnation Tribulation Stage, so he would most certainly die!
But just as he said, he had no regrets towards today's battle