It is wise for anyone doing the Underground Pass quest to remember to wear their Klank's gauntlets while searching the cages of the soulless. They will bite players who searching the cages, however, if the player is wearing the gauntlets, the player will take no damage. Searching the cages without wearing the gloves will result in losing 10 hitpoints.
The Dove symbolizes Iban's conscience, the innocence he had as a man corrupted by evil. The witch responsible for his return owned a beautiful dove, which she strangled with her own hands to provide the proper "conscience" for the ritual, after blood, body, and shadow.