Here's some more, just off the top of my head...
Spoilers below about the Bahro help via the slate symbols..
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1. Throughout the game, you will need to use the Bahro to do two things:
- a.) Carry the slate to another pedestal. This is done by determining what the next pedestal's symbol is (by looking through telescopes or walking to it, etc.). Draw the symbol, drop the slate, back away until he feels comfortable picking up the slate. When he does, he'll take it to the pedestal you drew and leave it there, AND, he'll add a new link to the home pedestal in that Age (which I call pedestal #1 for each Age). This is a tool for gaining access to a pedestal that you can't physically reach.
- b.) You will need the Bahro to work some "magic" via the slate at various times. Example from the demo - get the Bahro to bring rain. This is done by drawing the proper symbol that you'll get from clues on walls and such (in the demo, you drew what was on the ground in front of the rain canopy).
There are a few other things you will use the Bahro to do, like get them to come to the dropped slate to have their weight trigger a sensing plate to open a door...
Hope this helps.
Dadguy