>>5556598>Rolled 4, 18, 58, 84, 24 >04 IV: The EMPEROR>18 XVIII: The MOON>58 NINE of WANDS, vigilance, prophesy>84 17 XVII: The STAR (inverted!)>24 ACE of CHALICEShmmm, maybe the artifact of this dungeon is some Star Grail (Ace Of Chalices), that enables whoever drinks from it to leap from the Moon to the Stars. There is a legion of warriors who covets the Star Grail, (Nine Of Wands on the right) and they are preparing to seize it from the Emperor...
Anyway, you can elaborate on this story or scenario by just drawing more cards. I chose the gentle imagery of the Shadowscapes deck for this one, the artist lady drew a lot of fantasy rpg lorebook illustrations