For my High 6-A Spriggan scaling I usually use scaling like
- The fact all the Spriggans magic power is FAR beyond that of the Eclipse Dragons, who should be at least this strong
https://cdn.**********.com/attachments/819393509651513375/946463471669760071/latest.png
vsbattles.fandom.com
Also stronger than Alvarez Soldiers who are stronger than Eclipse Dragons
https://cdn.**********.com/attachments/819393509651513375/946463722958909540/latest.png
Also for their own feats
- Brandish being referred to as the Nation Destroyer and being capable of wiping nations off the map
https://cdn.**********.com/attachments/864615849679650856/864616151299915806/image0.png
And Multi Continental-Moon level scaling she gave Gajeel from making him grow massive which she should be capable of doing to herself at full power hence her title
- Ajeel sandstorm over all of Fiore
- Invel snowstorm over all of fiore
- Walh powering the true Etherion
- Irene's Universe One and Deus Sema Feats
^That's the basic stuff I use, I have some more stuff