Nebula Level
Dante also did not have any delusions of grandeur; he wasn't seeking to create the most stable foundation and use the only heavenly immortal technique with a 0.1% success rate that only cosmic luck that could officiate.
He was perfectly happy using this method because it only changed the starting line. There was a sub-rank system for Origin Gods which served the purpose of showing their progress and strength, but even if one had the weakest Origin Core and Origin Power, they could still grow it to the strongest level in time and with hard work.
So taking the high route only saved time and made one stronger than their peers in exchange for incalculable risks. Dante was in no rush as Etz Chaim gave him a time frame of millions of years, something which seemed like an eternity to the current him.