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FREQUENCY: Common
FREQUENCY: Very rare ([Dungeon Level VIII])
FREQUENCY: Common ([Astral Plane])

NO. APPEARING: 1-3 or 1-6
ARMOR CLASS: -1
MOVE: 6" / 21" (MC: D)
HIT DICE: 7+2
% IN LAIR: 5%
TREASURE TYPE: [B]
NO. OF ATTACKS: 3
DAMAGE/ATTACK: 2-8/2-8/1-4
SPECIAL ATTACKS: [SB]
SPECIAL DEFENSES: [SB]
MAGIC RESISTANCE: 40%
INTELLIGENCE: Average to very
ALIGNMENT: Chaotic evil
SIZE: M (7' tall)
LEVEL/X.P. VALUE: VIII | 1275 + 10

The chasme,
or fly demon,
is a particularly loathsome monster,
resembling a cross between a common fly and a human.
It stands on 4 fly-like hind legs and grasps with its forelimbs,
which are equipped with strong,
chitinous,
pincer fingers.
A chasme has wings and the blue-black,
hairy body of a fly.
The head is humanoid with saucer eyes and a mane of stiff,
backswept bristles.
The mouth is tiny,
but the nose is sharp and horn-like and used to bite and draw blood.

As with all minor demons,
chasme have [infravision], <ensure note at demon>
the ability to cause darkness (within a a 5-foot radius),
and to teleport. <link: teleport or teleport w/o error?>
<space>

In addition, a chasme can don any of the following, 1 at a time, at will:
[detect good],
[detect invisible],
telekinese <link> 150# <> weight.
<space>

The touch of a chasme will cause fear as a wand. <link>

At all times,
except when using spell-like powers,
a chasme can buzz and drone in a horrid,
rasping voice.
This sound has a chance
(equal to 100% minus 10% per level or hit die <HD> of each opponent)
of causing opponents to fall into a comatose sleep.
This must be checked each round.
Sleeping victims must be splashed with water or vigoursly stimulated to awaken them.
Otherwise, sleep persists for 2-8 hours or until the chasme drains the victim's blood for 1-4 points of damage.
Chasme can be struck by normal weapons,
but poison does not affect them. <edit?, just add Immune = poison to a SD line, or somesuch?>
If hard pressed,
a chasme will attempt to [gate] <?> in another of its kind (15% chance of success).

While chasme hate most other types of demons, <link>
particularly the stupid vrock <change to : Type I?> and hezrou, <change to: Type II?>
<make [links] to both> <cf. the Racism, (p)references, table, UA.12 & the attendant modifier at DMG.240>
they are intelligent enough to avoid fighting with other demons unless the chasme have the advantage.
Rutterkin <link> are allied with chasme,
although chasme are not fond of rutterkin and use them.
<make note at NO. APPEARING, for both, in the standard format>

cf. OSRIC.218:Evkivu(Fly Demon)