Piercer

Medium monstrosity, unaligned
Armor Class 15 (natural armor)
Hit Points 22 (3d8 + 9)
Speed 5 ft., climb 5 ft.
STR
10 (+0)
DEX
13 (+1)
CON
16 (+3)
INT
1 (-5)
WIS
7 (-2)
CHA
3 (-4)
Skills Stealth +5
Senses blindsight 30 ft., darkvision 60 ft., passive Perception 8
Languages
Challenge 1/2 (100 XP)

False Appearance. While the piercer remains motionless on the ceiling, it is indistinguishable from a normal stalactite.

Spider Climb. The piercer can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Actions

Drop. Melee Weapon Attack: +3 to hit, one creature directly underneath the piercer. Hit: 3 (1d6) piercing damage per 10 feet fallen, up to 21 (6d6). Miss: The piercer takes half the normal falling damage for the distance fallen.

Monster Manual (BR+)
  1. DnD 5e Monsters › Piercer
Piercer