Gelloudes attack with hand claws (1-6 hp damage each) and foot talons (1-8 hp damage each). If any attack succeeds, the victim is pulled close to the demon but is not held. On the next round, if it gains the initiative, the gelloudes can bite its victim (roll to hit at +2) and drain an energy level every round thereafter unless the victim breaks free of its bite, requiring an open doors strength roll. If the roll is not made, the victim can be struck on following rounds at +2 to hit with claws and talons (and automatically by the bite) until he breaks free.
The victim gains no saving throw against the energy drain. As the victim loses energy levels, he seems to grow younger. When the victim has no levels or hit dice left, he dies. This reverse aging is something of an illusion and is not necessarily permanent. If the victim dies from the attack, then the corpse will be that of a young child. If the victim can be freed before death from energy draining, he will immediately return to his normal age (the life-level loss is permanent).
As minor demons, the gelloudes rank in the “special” category when being turned by clerics.