Among all the stalls, Trast was primarily interested in those selling vegetables, fruits, meat, and spices. In other words, things that a battlemage could turn into a delicious and nutritious dish with his "culinary magic." Nevertheless, magical trinkets that could be useful to a mage of earth also caught his attention.
Added 2 minutes later
Hmm, but you're still not very strong, Kosh. Maybe you should throw hot, sharp objects at the hydra? It's safer that way.