Neopets TCG: Mystery Island On the actual Neopets site, codestones allow you to train your Neopet to boost
a stat. In the Neopets TCG, codestones serve a similar purpose.
Savak: The Medallion - Part Seven Savak looked up in surprise as his mother padded
over from the other side of the cage. When she came to stand next to Murgoh,
she looked up, and went stiff with shock.