Patren's Whereabouts

Introductory
Where did Silverwood take Patren to?

Objective
You must try to find Patren.
 * Dungeon Penalty: 27,000 EXP

Reward
You must meet with Aike in Port Lux for the reward:
 * Experience: 159,832 EXP
 * Amount:120,000 Alz

Dialogue
Dungeon Message:
 * "You have found traces of humans from the lair that was filled with monsters from the beach. However, you could not find Patren. Let's report to Aike."