Alien Insects

by CanceRevolution

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Alien Insects

Often emerging from shadowy corners of otherworldly dimensions, the Alien Insects strike terror into all who encounter them. Unlike the benign insects of Earth, these creatures wield nefarious powers and exhibit behaviors that reflect their extraterrestrial origins.

Skin-Thief Cockroaches: These monstrous cockroaches, sometimes growing to the size of a cow, are not content with scavenging on mere scraps. With a horrifying twist, they ambush their prey, secreting a corrosive acids through their mandibles. Once their target inside is melted, the roach begins its grotesque ritual, meticulously peeling off and absorbing the skin of its victim. This not only provides the creature with sustenance, but it also allows the cockroach to take on the appearance of the prey, using its stolen skin as a grotesque camouflage, perfect for luring in its next meal.

Brain Flies: At first glance, these macabre creatures appear as floating human brains with delicate mosquito wings shimmering in the light. However, their intentions are far from benign. The Brain Flies hover silently above their prey, waiting for the perfect moment to strike. Once they select a target, they pierce the skull with a razor-sharp proboscis, injecting a brain larva. Over time, the host's brain is consumed, and a new Brain Fly emerges to continue the cycle of terror.

Antlions: Although their Earthly counterparts are relatively harmless, the alien Antlions are colossal terrors, creating vast pit traps in interstellar sands. The unsuspecting wanderer who falls into one of these traps is greeted by massive, snapping mandibles, strong enough to crush bone and metal alike. Driven by insatiable hunger, the Antlion waits patiently beneath the surface, its antennae sensitive to the slightest vibration. Once it detects movement, it bursts forth in a shower of sand and debris, dragging its victim below for a gruesome feast.

Tier 1



Skin-Thief Cockroach

Large, Aberration

Tier 1, Challenge Point 8, XP: 8

Attributes

AC 14 AP 3
HP 54 Posture 28
  • Passive Insight/ Perception 14
  • Senses Blind senses
  • Language Far Speech

Movement

Base/ Spider Climb 30 Swim 20 Dash 40

Stats + Skills

STR +6 DEX +4 INT -1 WIS +4 CHA -2
  • LU +0: Luck Points: 0; Critical Fail: 1

Abilities

  • Impostor: When you kill a creature, you can use its skin as a disguise, assuming its form as per the effects of the Alter Body spell, including changing your size to match that of the creature.

Actions (1)

  • Acid Spit Hit +6, Dmg 1d8 acid
  • Acid Trace: Regardless if you hit the Attack, the target and every creature within 10 feet of it must succeed on an Agility Save (DC 14) or take 1d8 acid damage.
  • Corrosion: Any Construct, Armor or Shield being used by a creature also takes 1 Corrosion Point when they take this acid damage.
  • Ranged Attack (30/60)
  • Bite Hit +6, Dmg 1d12 thrust
  • Swallow (Concentration): On a hit, the target must succeed on a Brawling Save (DC 14) or be swallowed by you if it’s Medium or smaller. While swallowed:
  • • Shares the same space as you.
  • • Is in Full Cover.
  • • Becomes Paralyzed if it has 0 Posture.
  • • Takes 2d8 acid damage at the start of its turns. Any Construct or Armor/Shield/Weapon being used by a creature also takes 1 Corrosion Point when they take this acid damage.
  • You can have 1 creature swallowed at once, but you vomit if you lose Concentration.


Brain Fly

Small, Aberration

Tier 1, Challenge Point 4, XP: 4

Attributes

AC 16 AP 0
HP 15 Posture 14
  • Damage Weakness Brain
  • Passive Insight/ Perception 14
  • Senses Blind senses
  • Language Far Speech

Movement

Base/ Spider Climb/ Fly 35 Swim 0 Dash 20

Stats + Skills

STR -1 DEX +6 INT -1 WIS +4 CHA -2
  • LU +1: Luck Points: 1; Critical Fail: 1

Abilities

  • Putrid Aura At the start of your turn, all creatures within 20 feet of you must succeed on an Endurance Save (DC 14) or become Poisoned (1d4, 1 turn).
  • A creature that is already Poisoned takes 1d4 poison damage on a fail instead.

Actions (1)

  • Acid Spit Hit +6, Dmg 1d8 acid
  • Acid Trace: Regardless if you hit the Attack, the target and every creature within 10 feet of it must succeed on an Agility Save (DC 14) or take 1d8 acid damage.
  • Corrosion: Any Construct, Armor or Shield being used by a creature also takes 1 Corrosion Point when they take this acid damage.
  • Ranged Attack (30/60)
  • Inject Brain Larva Hit +6, Dmg 1d8 thrust + 1d4 brain
  • Brain Hijack: A creature that takes this brain damage is injected with 1 larva, that slowly consumes its brain.
  • At the end of each day, that creature then takes 1d4 brain damage. After 1 month, that creature then dies, and a new Brain Fly is born from its skull.
  • During a Long rest, a creature can spend 1 Med Kit to make a Medicine Check (DC 15), removing the larva on a success.
  • Big Triumph You can only use this Action once.

Reaction

  • Evasion When an Attack would hit you, you can use your Reaction to gain a +4 bonus to your AC, potentially making that Attack miss instead.

Tier 3


Antlion

Medium, Aberration/ Beast

Tier 3, Challenge Point 1, XP: 3

Attributes

AC 15 AP 0
HP 3 Posture 9
  • Passive Insight/ Perception 17
  • Senses Blind senses
  • Language None

Movement

Base/ Burrow/ Spider Climb 35 Swim 0 Dash 20

Stats + Skills

STR -1 DEX +7 INT -3 WIS +7 CHA -3
  • LU +0: Luck Points: 0; Critical Fail: 1

Abilities

  • Echolocation You lose Blind Senses and become completely BLinded while Deafened.

Actions (1)

  • Bite Hit +7, Dmg 1d10 thrust
  • Bloody Hit: If you deal damage to the HP of a creature, it starts Bleeding (1d6).

Reaction

  • Lynch If another Antlion hits an Attack, you can make an Attack of Opportunity on the same target.


Glowing Antlion

Large, Aberration/ Beast

Tier 3, Challenge Point 8, XP: 24

Attributes

AC 15 AP 0
HP 47 Posture 31
  • Passive Insight/ Perception 17
  • Senses Blind senses
  • Language None

Movement

Base/ Burrow/ Spider Climb 35 Swim 0 Dash 20

Stats + Skills

STR -1 DEX +7 INT -3 WIS +7 CHA -3
  • LU +0: Luck Points: 0; Critical Fail: 1

Abilities

  • Acid Blood If a creature hits a Melee Attack while you are Bleeding or with 0 Posture, any Construct or Weapon being used also takes 1 Corrosion Point.
  • Echolocation You lose Blind Senses and become completely BLinded while Deafened.

Actions (2)

  • Acid Bite Hit +7, Dmg 1d10 thrust + 1d10 acid
  • Bloody Hit: If you deal damage to the HP of a creature, it starts Bleeding (1d6).
  • Corrosion: Any Construct, Armor or Shield being used by a creature also takes 1 Corrosion Point when they take this acid damage.
  • Acid Spit Hit +7, Dmg 1d10 acid
  • Acid Trace: Regardless if you hit the Attack, the target and every creature within 10 feet of it must succeed on an Agility Save (DC 15) or take 1d10 acid damage.
  • Corrosion: Any Construct, Armor or Shield being used by a creature also takes 1 Corrosion Point when they take this acid damage.
  • Ranged Attack (30/60)

Reaction

  • Evasion When an Attack would hit you, you can use your Reaction to gain a +4 bonus to your AC, potentially making that Attack miss instead.


Antlion Knight

Enormous, Aberration/ Beast

Tier 3, Challenge Point 17, XP: 51

Attributes

AC 14 AP 4
HP 144 Posture 75
  • Passive Insight/ Perception 17
  • Senses Blind senses
  • Language None

Movement

Base/ Burrow 25 Climb/ Swim 0 Dash 50

Stats + Skills

STR +8 DEX -1 INT -3 WIS +7 CHA -3
  • LU +0: Luck Points: 0; Critical Fail: 1

Abilities

  • Echolocation You lose Blind Senses and become completely BLinded while Deafened.

  • Charge If you Dash and move at least 20 feet, you gain advantage on your next attack this turn, and deal an extra 1d8 damage with that same attack.

  • Charge Frenzy Once per round, when you Dash and move at least 20 feet, you can make 1 Attack as a Free Action.

Actions (2)

  • Peck Hit +8, Dmg 2d8 thrust

  • Advanced Precision: You gain advantage on this Attack. If the Attack was already with advantage, it automatically hits instead.

  • Bloody Hit: If you deal damage to the HP of a creature, it starts Bleeding (1d6).

  • Headbutt Hit +8, Dmg 2d8 strike

  • Knocker: On a hit, a target smaller than you becomes Knocked Prone and takes double Posture damage.