You found an engraved stick while hunting the Black Claw Tribe. Go ask Jolk about it.
Step 1. Talk with JolkAn Archon Sentinel. He is spying on the Black Claw Tribe in the Mahindel Swamp to the east of the Altgard fortress. He is a friend of Taora and is sincere..
Step 2. Bring the stick to MornAn Archon Centurion of the Altgard Fortress. He has been studying the Mau culture and language for at least a hundred years..