Lustful Snake shadows serve as the red shadows for the second half of Arqa Block in Tartarus. They later appear as normal shadows for the first half of Yabbashah Block. They are the target of one of Elizabeth's subjugation requests while they are red shadows in Arqa. Upon taking the quest, Lustful Snakes may drop Snake Scales after being defeated. Three of these must be collected to complete the quest.
Lustful Snake shadows appear in the Chapters 1-4 of the Void Quest in the Midnight Channel. In battle, they will use Stagnant Air to increase ailment susceptibility followed by Foolish Whisper or Makajam to silence the party. Upon being defeated, they may drop Jet Black Scale material. Selling 6 Jet Black Scales at Daidara will add the Bishamonten weapon for Chie to the sales stock.
In Golden, it may also drop Lepidolite for trade at Shiroku Pub.
Lustful Snake appears in Group Date Cafe. It is the first shadow to have a Conditional Drop - its Snake Skin can only be obtained by defeating it while it is Agility Bound. Its skin is used for the request, Legendary Medicine.
Lustful Snake appears in Areas 2 through 4 of the second Theater, Junessic Land. It will frequently use its Poisma attack to quickly deplete the party's HP. When defeated, it mat drop Snake Crystal and Snake Snake. Snake Crystal is used to create the Ribcage Katana for Yusuke, the Iron Fist for Akihiko and Makoto, and the Drunkard Claw for Teddie. Snake Scale is used to create the Manacle Whip for Ann, the Peacemaker for Naoto, the Bear Claw for Teddie, and the Survival Guard unisex armor.