How do I get to Silver Seed?

Stand on any Serpent Gate and double click on the Amulet that Karnax gave you. When you go to the Silver Seed, however, you have to stay there for 7 game days, so take food.

How do I plant the Seed?

Once you have the Seed, Karnax will appear. Follow him through the tunnel into the glade. You must plant the Seed by double-clicking on it. If you are near the right spot the Tree of Balance will grow automatically. The "right spot" is near a patch of bare earth south of the waterfall (NOT right next to the waterfall).

How do I get past the rubble?

You need to hack through it with your sword. The powder kegs do not work (there's a mistake in the walkthrough that came with the game).

How do I get past the force field that blocks the stairs?

You have to get the lightening whip from the body on the second level of the Abandoned Outpost and put the whip on the pedestal.

Where do I get the rope?

You get the rope from the dead body on level three of the Abandoned Outpost.

How do I kill Arom-Dol?

Arom-Dol is immune to magical damage. Try using a glass sword.

What do I do with the orbs?

Use the orbs to unlock the vault by putting them on the pedestals.