Each series consists of about 14 items, with one or two additional secret items in the set. (dragon-quest.org)
There are over 18 hats to collect — these do nothing other than offer a visual change — and one secret item within each of the main missions. (squarexo.co.uk)
This especially holds true for the field areas — most of which are expansive, and rife with secret items to collect and areas to uncover. (heypoorplayer.com)