From FFXI Wiki
- Speak to Erlene in The Eldieme Necropolis (S) at (J-8) to begin quest. You will be given Ulbrecht's sealed letter.
- Speak to Gentle Tiger in Bastok Markets (S) at (H-6).
- Travel to Pashhow Marshlands (S) (E-11) and touch the Indescript Markings targetable location for a cutscene. You will obtain Schultz's sealed letter.
- There are level ~80 Virulent Peistes around the Indescript Markings that aggro on sight. Either come with Invisible handy and wait until they turn, or kill them with a high enough leveled job.
- Return to Erlene for your Klimaform Schema.