Akris is a low level monster with really low attack but dropping high lvl items ( potions, magic stones, DIL and equipment).

Dropping rate :

Deneb : Potions(hardly ever Large), more DIL, equipment. Max lvl: 35 (also Rings or Amulet)

The Caves of Norak and Castor : The same stuff as in Haihaff and Requies, except for the deeper regions (2nd floors), where they drop the same stuff as in Crespo. Max lvl: 70

Heihaff/Requies Beach : Large potions lot of DIL and equipment. Max lvl: 45

Crespo : A lot of rhombus and medials are dropped frequently. Also, potions. Max lvl: 70