Levels 4 and 5: The Dwarven Halls

Hint: I can't seem to get past the hall with three pits in a row...

Hint: Help! I'm stuck in an area full of spiders!

Hint: Does the 'Oracle of Knowledge' do anything?

Hint: I found a small room with four doors...

Hint: How do I help the dwarves?

Hint: Why do these pits keep appearing behind me?

Nested hint: Help! I'm stuck in a loop!
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Hint: How do I get past all these teleporters?