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COSTOID
Created 1986, revised 1988

FREQUENCY: Very Rare
NO. APPEARING: 6-15
ARMOR CLASS: -4 to 5 (d10 -5)
MOVE: variable
HIT DICE: 1-10
% IN LAIR: nil
TREASURE TYPE: Any
NO. OF ATTACKS: 1-6
DAMAGE: variable
SPECIAL ATTACKS: variable
SPECIAL DEFENSES: variable
MAGIC RESISTANCE: 1-100%
INTELLIGENCE: Non- to Average
ALIGNMENT: N
SIZE: variable
PSIONIC ABILITY: nil
LEVEL/XP: variable

A costoid can appear as any semi-Cthulhuan lump of living matter, with no specific desciption for its race. One could appear as a three-legged eyeball which squirts acid, another could be an octopoid turnip attacking with +5 lawnmowers. They are either magically enhanced genetics gone wrong, or simply the awe-inspiring consequences of a god on hard drugs gone rampant. Exact functionality and form for a creature is left mostly to the DM's discretion and amusement, but short of that, the following charts can be used for attacks and defenses:

ATTACKS: ROLL d20RESULT
1-SMALL BITE (1-4 damage)
2-MEDIUM BITE (1-8 damage)
3-BIG BITE (2-20 damage)
4-SMALL CLAW (1-6 damage)
5-LARGE CLAW (2-12 damage)
6-POMMEL (2-5 damage)
7-CRUSHING BLOW (10-13 damage)
8-HEAD BUTT (2-5 damage)
9-1-6 SPIKES (1-4 damage each)
10-SPIKED TAIL (3-10 + HOLD FAST for 1 point/rnd)
11-WEAPON (small)
12-WEAPON (medium)
13-WEAPON (large)
14-WEAPON (medium, x2 per round)
15-WEAPON (large, x2 per round)
16-CORKSCREW (1-8 + HOLD FAST for 1-4/rnd)
17-GIANT FIST (1-12 damage)
18-BITCH SLAP (1-2 damage)
19-TENTACLE LASH (4-16 damage)
20-+5 LAWNMOWER (4-40 damage)

SPECIAL ATTACKS: ROLL d10RESULT
1-STINKING CLOUD breath
2-ACID (1-4/rnd for 1-20 rnds)
3-CONSTRICTION (save vs. Petrif)
4-LASER (1-20 damage, save vs. Death Magic)
5-FEAR
6-FEEBLEMIND (2-5 damage)
7-BLOOD SUCK (Strength is halved for 1-4 days)
8-GIANT SCISSORS (sever limbs on natural 19 or 20)
9-DEAFNESS
10-BLINDNESS

SPECIAL DEFENSES: ROLL d10RESULT
1-+2 weapon to hit
2-+3 weapon to hit
3-Immune to FIRE/LIGHTNING
4-Immune to SLEEP, CHARM, etc.
5-GASEOUS FORM at will (affected by COLD x4)
6-INVISIBILITY at will (-6 to hit)
7-REGENERATION 2hp/rnd
8-REGENERATION 5hp/rnd
9-Severed parts re-animate as 1HD monsters
10-Explodes upon death (8-80 within 15')

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All artwork Copyright 2002 David C. Lovelace