You discover a nearly intact bas-relief. It depicts three figures, one smaller than the others, carrying an axe. The other two seem to hold respectively a sword and… a mace maybe? A creature smaller than them hovers above, vaguely resembling a dragon. The beast and the three figures appear to be fighting a horde of monsters, silhouettes characterized by long claws and superior size. Several of the monsters are shown lying dead.
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Intrigued, you stroke the bas-relief. As you touch it, the small figure's axe sinks in and you hear a mechanism click. Wary, you take a step back. The bas-relief has partially sunk, revealing a cavity. The mechanism seems jammed and unable to go any further.
Will you leave it and return to 472, try anyway to reach your hand through the hole at 403, or push the panel with all your might at 439?