When enriching Atmacite of of Onslaught in Bastok Markets Atmacite Refiner the following lines are read off to you:

Level 1 to 2: Your "Ballista Earring" Has been Enriched to level 2
Level 2 to 3: Your "Charcoal Grey Seal" Has been Enriched to level 3
Level 3 to 4: Your "Molted Peiste Skin" Has been Enriched to level 4

So on down the list with various items which include:

Gold Purification
Red Institute Card
Sobotenders Royals Needles

when it got to level 12 it seemed it corrected itself - but the priors did not.