Special 10+1 Treasure Incantation Blueprint

Special 10+1 Treasure Incantation Blueprint is an S-rank Magic Ingredient used to create Special 10+1 Treasure Incantations.

Description
''An old blueprint showing how to craft Special 10+1 Treasure Incantations. Master Owl in the Magic Laboratory can craft it just by looking at this blueprint! How? That's a trade secret but let's leave it to Master Owl, the expert.''