Forgotten Hablerie appear on the 5th through 8th floors of Marukyu Striptease within the Midnight Channel. They typically appear in large groups and try to swarm the party. Upon being defeated, they may drop the Sturdy Molar material. Selling 10 Sturdy Molars at Daidara will unlock the Cowboy Boots for Chie Satonaka in the shop.
In Golden, it appears on 5th through 10th floors of the club. It may drop Lepidolite for trade at Shiroku Pub.
When the male party members, though mostly Teddie and Junpei Iori, attempt to enter a nightclub during a Special Screening in Kamoshidaman, they are turned down for not having any female party members with them. Teddie attempts to cross dress, though the group are turned down again. Whilst complaining about not being allowed in, the group are ambushed by two Natural Dancers and a Forgotten Hablerie. After killing them, the girls punish the guys for trying to get into the nightclub.