What can I do here

Hint 1 of 5:

Get in to see Crisa Kortakis.

Hint 2 of 5:

DO NOT ask to leave Selenia! unless you have saved the game.

Hint 3 of 5:

ASK FOR CREDIT to get the DRAG. You will get 3000 credits.

Hint 4 of 5:

Crista gives Lydia a jewel.

Hint 5 of 5:

Dont forget to convert credits to Krells.