Yi Nian Yong Heng [A Will Eternal] Episode 173 Indonesia, English Sub

that basically he cultivated bu si gong, dudu (boo-boo) cultivated live forever technique (changsheng gong). when combined it is undying live forever technique. and this technique is the only orthodox way for ppl like “the celestial” the so-called primogenitor here, which is also dudu’s dad, to open world gate and leave the world in the body of this ancient existence who cultivated this technique. that’s why later he used terrible scheme to seize the technique from both of them into a pill. i forgot whether he succeeded or not but basically xiao dudu sacrificed herself for xiaochun and bai hao sacrificed himself for xiao dudu, not sure if i remember the sequence correctly. in any case, the world will be annihilated and somehow the survivors are out in another bigger world where even celestials are not top contenders. here, celestials are 2nd step. and yea xiaochun will cultivate to 5th step later~