Telepathic Scavenger. When a creature dies to acid damage either directly or indirectly inflicted by the viperum , such as by its poison food action the viperum is aware that the creature has died and where the creature died.

Preserving Acid. A creature that has died due to acid damage either directly or indirectly inflicted by the viperum decays at a rate of 1 fourth the speed it normally would.

Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., 1 target. Hit: 4 (1d6 + 1) piercing  damage plus 11 (2d10) acid damage.

Poison food. The viperum bites 1 food item within 5 feet of it and sinks its fangs in it for one round. During this time the viperum cannot take reactions. After this process is finished a creature that eats the targeted food item it takes 22 (4d10) acid damage. Identifying poisoned food from regular food requires a 21 or above on an intelligence (nature) or wisdom (survival) check.