Substat transfer from old to new?

While this would be a good QOL change ( casting time annoys me since it takes too long IMO) replacing this would be a head ache due to the good substats i got on the initial echo 😭😭😭

Is there no way to transfer substats from normal to nightmare?

While this would be a good QOL change ( casting time annoys me since it takes too long IMO) replacing this would be a head ache due to the good substats i got on the initial echo 😭😭😭

Is there no way to transfer substats from normal to nightmare?