And the fact that the 4 Paragon reversal technique had no stages but was only limited to a person's understanding made Elijah crack his head more as this was a slightly more complicated godly technique.
Sure, he knew that he could absorb Dietrich understanding of it, but even that came with a restriction as Deltrich understandings of the technique were limited.
And even if he takes those understandings as his own, that also meant that he would also be stuck at the same place the understandings were unable to progress any longer.
And that was something he didn't want in the first place.
But, that was how he had found another loophole in the gift he had asked for. Since Deltrich didn't understand this technique to the fullest, then who is to say that there weren't other techniques that Deltrich didn't fully understand.
