There were many sacred items offered to the Greek gods and goddess, of Demeter's most well known;
Animals;
Serpents
Swine
Turtle dove
Gecko
Red Mullet
Plants;
Wheat
Poppy
Barley
Mint
Items/Objects;
Chariot of Demeter, driven by serpent dragons.
Torches, with which she looked for Persephone with.
Golden Blade, which could be a sword or a scythe.
Place of Demeter (or so it should be assumed as she is one of the twelve upon Olympus)
The serpent-dragon, the boar, turtle-doves, the Red Mullet, and the gecko were all sacred animals of Demeter.
His sacred item is his lightning bolt.
Arion is demeters son!
Demeter does not have many sacred objects, however she does have a couple. One is her golden blade(which has been believed to be Kronos's scythe reformed) and the other is her golden chariot. Her sacred animals are the pig, gecko, serpent, turtle-dove, crane and screech owl. Also, her sacred plants are the grain, wheat, mint, barley and poppy.
She is the goddess of grain, bread, and agriculture, and is often depicted as holding a sheaf of wheat. However, she is more generally connected with "growing things" including fruit and flowers.
the ark, eternal light and other
Demeter is the goddess of harvest or agriculture. Some sources states that she is also a goddess the favor the sacred law of marriage and order as well as the goddess of life and death.
his mom
persphene
Persephone
demeters downfall was her daugter pereshpohne was taken and demeter was shearchig so demters crops were faling
Sacred ash can be used to revive all fainted Pokemon in your party.