The Great Gaias achievements

Acquire a Stone Mortar and Pestle.

Raise Disable Device Skill to (40).

Acquire Gjallarhorn.

Acquire Saarinen's Belt.

Acquire Saarinen's Helm.

Build all versions of the Build Your Own City sidequest.

Achieve Level (65) with Wein.

Acquire Caduceus.

Acquire Ioun Stone.

Acquire Bruger the Barbarian as a party member.

Complete Chapter VI.

Achieve Level (65) with Kaelas.