[Xue Que was right, but your Phoenix Replenishing Yuan Banner was already of relatively flawless Great Vehicle quality. Even if it were reforged, it could not undergo a qualitative transformation, and the improvement would certainly not be great. That was why you chose a formation with a damaged formation-base core.
Formations were such things that, once damaged, could usually be repaired and used again eight or nine times out of ten. If they could not be repaired, it was only because the Formation Master's attainments were insufficient.
But for a formation like the one before you, with problems in its formation-base core, it was no longer a question of whether the Formation Master was capable. Even if a Formation Master capable of refining a Seventh-ring Creation Dao Array stepped in, they would still have no way to restore this Fifth-ring Dao Array.]
[Precisely because the formation-base core was so important, Formation Masters would set up several layers of protective mechanisms while refining a formation, making it exceedingly difficult for others to damage the formation base. Except in a very few rare cases, one generally had to wait until the formation was completely scrapped before its formation-base core could be harmed.
You did not know what this formation before you had experienced, but your original intention in exchanging for it was research, because this formation happened to be a poison formation in which you excelled. It might not be of much use to you now, but if you wanted to one day challenge the rank of Five-ring Dao Array Immortal Master, this formation could serve as research material and provide some help.
As long as you believed you had a chance of refining a Fifth-ring Dao Array, this poison formation with its damaged formation-base core would definitely be useful to you.]