According to rumor, there is a potion known to the Shugos that helps people learn Krallic easily. Kunbernerk, the President of Tempest Shipyard, is believed to own some.
Step 1. Find 'KunberunerkA Shugo and the Shipyard President. He's at the Tempest Shipyard during the day and the Dionysia Tavern at night. He keeps it quiet that he's involved with a Human girl, Emir. in the Tempest Shipyard.
Step 2. Find MapirerkA Shugo of the Black Cloud Traders found at the Tempest Shipyard in Sanctum. He is working to pay off fines and debts incurred by his brother's foolish trading practices. at the Airship Docks, and ask about the power generator.
Step 4. Find Dukaki SettlementA village of Kobolds subjugated by the Tursin Krall, to the northeast of Tolbas Village. and meet GaphyrkA Shugo captured by the Krall and imprisoned in Dukaki Mine in Verteron. He seems to have fallen for a Kobold named Mimiti. in the Dukaki SettlementA village of Kobolds subjugated by the Tursin Krall, to the northeast of Tolbas Village..
Step 7. Meet MarmeiaA young woman who has made it her life's work to understand the Krall. She is found at the Airship Dock of Sanctum. She is often complimented on her cute freckles and youthful looks. and drink the potion.