What do I need to do here?

Hint 1 of 29:

Save Andromeda, kill an awful monster (Kraken).  Not much really.

Hint 2 of 29:

Actually, you don't even need to solve this puzzle.

Hint 3 of 29:

You would miss out on the 50 points, though.

Hint 4 of 29:

One thing you could do is run through the rest of the game, figure
out what items you did not use that clearly must be used from something?

Hint 5 of 29:

I actually found the solution quite by accident.  Just playing around
with different things.

Hint 6 of 29:

The name of the Tarot card that got you here is a hint.

Hint 7 of 29:

What do you think a very bright light would do?

Hint 8 of 29:

Okay, I must have set some alarms off with that hint.  The question
is do you have the timer?

Hint 9 of 29:

Okay, then you can make the flash work.

Hint 10 of 29:

Load the batteries.

Hint 11 of 29:

Set the timer.

Hint 12 of 29:

Put the flash in the bronze object.

Hint 13 of 29:

Did you save your game?

Hint 14 of 29:

You can't leave, no matter what you do if you leave the flash will
fall out.

Hint 15 of 29:

So don't leave.

Hint 16 of 29:

Good thing Zeus was in a good mood.  Now the only problem is, how
do you get all your stuff back.

Hint 17 of 29:

Did you go downstairs, while you were in the lighthouse?

Hint 18 of 29:

Then you saw the beautiful Frieze?

Hint 19 of 29:

In fact by now haven't you seen several paintings, murals, etc.

Hint 20 of 29:

Have you figured out why they are here?

Hint 21 of 29:

Remember the dream, with the mascot?

Hint 22 of 29:

What happened when you tried to take the mascot?

Hint 23 of 29:

Uh, huh. . . the druid, he use a magic word . . .

Hint 24 of 29:

LAGACH.  He said LAGACH to the mural.