Beetle, Lantern

Many types of beetles inhabit the Underworld, and they are often used as food or beasts of burden by its denizens.

Fungus Eaters. The beetles of the Underworld feast primarily on the fungus that grows in the darkest caverns. The glow of the lantern beetle’s abdomen is from the digestion of bioluminescent fungus, which reacts with the beetle’s gut to make the glow. Most often found in the fungal forests of the Underworld, the lantern beetle can inhabit any cavern where bioluminescent fungus is plentiful. The beetle can consume other fungi and plants, but its abdomen dims to a mild glow if the beetle consumes no bioluminescent fungi for more than a month.

Docile. Lantern beetles and sniffer beetles are docile and often trained by denizens of the Underworld.

Familiars. Lantern beetles and sniffer beetles can be called to serve a spellcaster via the find familiar spell. The lantern beetle is a popular choice among junior wizards who value the beetle’s light for sneaking into dark, forbidden corners of libraries or for studying late into the night. The sniffer beetle sees a variety of uses among wizards with its most common use as the eyes and nose of wizards with limited vision.

Lantern Beetle

Tiny beast, unaligned
Armor Class 13 (natural armor)
Hit Points 2 (1d4)
**Speed* 30 ft., climb 10 ft., fly 10 ft.
6 (–2) 12 (+1) 10 (+0) 1 (–5) 7 (–2) 3 (–4)

Senses passive Perception 8
Challenge 0 (10 XP)

Illumination. The beetle sheds bright light in a 10-foot radius and dim light for an additional 10 feet. When it dies, its body continues to glow for another 6 hours.


Horn. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 1 piercing damage.

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