snake Level 1 of the Dungeon (0, 0, D:1) a potion of invisibility (1, 1, D:1) a scroll of identify (6, 4, D:1) a ball python corpse (7, 2, D:1) a ball python corpse (9, 5, D:1) a bat corpse (17, -1, D:1) a dwarf skeleton (17, 10, D:1) a dwarf skeleton (21, 3, D:1) a dwarf skeleton