I do not see a physical object in that screenshot. I see a glowing magical sword that immediately dissipates into thin air (not something physical objects typically do).
Also while I do agree that the heavens makes MORE sense, the ground can be just as sacred as the heavens.
Hint: Check your order hall. Or the ability called consecration. Assuming you want both of these removed correct?
You're more than welcome to have irrational disdain for the ability, but it's stupid easy to justify and like I said I quite like the ability and welcomed it significantly over the alternatives.
If I were to make any changes though? I'd make it holy damage, retune the damage as necessary, and give it more range because that'd make more sense mechanically for what the ability is trying to thematically.