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 Area 2, Area 3 and Area 4 of the second Theater, Junessic Land. It will frequently use its Poisma attack to quickly deplete the party's HP. The Snake Scale is drops is used to produce the Manacle Whip for Ann Takamaki, Peacemaker for Naoto Shirogane, Bear Claw for Teddie and the Survival Guard unisex armor. Its Snake Crystal unlocks the Ribcage Katana for Yusuke Kitagawa, Iron Fist for Makoto Niijima and the Drunkard Claw for Teddie.