If you missed a Seyan Shrine in a lab that you are not able to return get it then all is not lost.
For a price, the missed shrine can be set for you by a friendly god.

The price is:
Cost 100k exp AND
Cost 50k gold AND
Cost 2k plat.

Then the power will flow to your seyan sword as it should do.



To reset an arch skill and allow you to choose another ...
Reduce skill to zero (All exp is lost)
a penalty of 100k exp is applied. (Exp can go negative)



To reset a profession to allow you to choose another ...
Reduce profession skill to zero (All exp is lost)
Remove 100k exp (Exp can go negative)
If Craft reduce profession rank to 50% (one half)
If Blacksmith reduce profession rank to 33% (one third)
If Harvest or Alchemist reduce profession rank to 25% (one quarter)

Skill reduction is based on perceived difficulty in raising it..