Tailpasaran (5e Creature)
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Tiny aberration, unaligned
Saving Throws Con +1
Electric Body. If the tailpasaran is hit with a melee weapon attack that makes direct contact, or uses a metal weapon, the attacker takes 3 (1d6) lightning damage. The tailpasaran's melee weapon attacks deal an extra 3 (1d6) lightning damage on a hit (included in the attack).
Bite. Melee Weapon Attack: +2 to hit, reach 0 ft., one target. Hit: 1 piercing damage, plus 3 (1d6) lightning damage.
Tailpasarans are parasitic worms comprised almost entirely of soft, legless centipede-like segments. Upon one end of its long body is a red-colored drill head. Typically a tailpasaran uses its drill to burrow into the flesh of a larger creature, wherein it rests indefinitely. In this burrowed wound, the tailpasaran gradually and effortlessly absorbs energy and nutrients from its host. Only when disturbed does it fly from the wound and seek to strike down any creature that would attempt to remove it. When threatened and defending itself, the soft portions of the tailpasaran’s body will crackle with magical electricity.
A recently-produced tailpasaran is so miniscule it is almost invisible to the naked eye, and the longer it feeds, the larger it grows. The statistics on this page represent one a Tiny tailpasaran has been feeding on a Huge or larger creature for years. As a general rule, a tailpasaran can grow to a size that is at most four size categories smaller than its host, and no larger. See the Small and Medium variants on this page for tailpasarans that have been absorbing nutrients from even larger hosts.
Variant: Small Tailpasaran
A Small tailpasaran can feed off a Huge or larger host. Its hit points increase to 10. Its Bite attack improves as follows.
- Bite. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) piercing damage, plus 3 (1d6) lightning damage.
This variant has a Challenge Rating of 1/4 (50 XP).
Variant: Medium Tailpasaran
A Medium tailpasaran can feed off a Gargantuan or larger host. It gains eight more Hit Dice, and its hit points increase to 42. Its Bite attack improves as follows.
- Bite. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 5 (2d4) piercing damage, plus 3 (1d6) lightning damage.
This variant has a Challenge Rating of 1/2 (100 XP).