The Young Master Was Reborn Again

After myriad of reincarnations with seld-identity and memories intact, MC exterminates suicidal raid on Heavens Realm and steals numerous techniques, after which he gets subjugated and died.
Accepting his death he found himself in a newborn baby in the clan of White Bear.
But world is not what he expected and slowly he will integrate himself in new world of full magic, chivalry and politics.