FREQUENCY: Uncommon
FREQUENCY: Rare ([Dungeon Level VIII])
FREQUENCY: Common ([Astral Plane])
NO. APPEARING: 2-8
ARMOR CLASS: 2
MOVE: 6" / 6" (MC: D) // 24"
HIT DICE: 9+36
% IN LAIR: 5% (90% if near Styx)
TREASURE TYPE: [I, Y]
NO. OF ATTACKS: 3 or 5
DAMAGE/ATTACK: 1-4/1-4/1-8/1-8/1-10
SPECIAL ATTACKS: Energy drain
SPECIAL DEFENSES: [SB]
MAGIC RESISTANCE: 70% to 1st level spells
INTELLIGENCE: Low
ALIGNMENT: Neutral evil
SIZE: L (10' tall)
LEVEL/X.P. VALUE: VIII | 3450 + 14

These grotesque amphibians are the only creatures known to swim in
the Styx without losing their memories. As a result they may be found in
numbers (10-30) wherever the Styx and its branches appear in the
Lower Planes.

The hydrodaemons can launch themselves into the air and glide like
flying fish at high speeds for up to 1 turn. When airborne they may make
5 attacks: scratching with theirfeetfor 1-4, clawing with their hands for
1-8, and biting for 1-1 0; otherwise, on the ground, they will make 3
attacks. The bite of a hydrodaemon does 1-10 points and drains 1 life
energy level from its victim.

The hydrodaemon mayteleportwithout error at will, andwill sometimes
use a dimension door to gain altitude for its glide. These creatures may
also, at will, produce darkness within 10 feet, create water, and use
water walking (as ring). They may attempt to gate in another hydrodaemon
with a 50% chance of success. If encountered on the Prime Material
Plane, the hydrodaemon may summon a water elemental of 12 hit
dice who will fight for the hydrodaemon without being controlled. In
addition to normal daemon resistances, hydrodaemons take half damage
from water-based attack forms, and no damage if they make their save.

Hydrodaemons are often sent to serve evil on the Prime Material Plane.
They prefer water, fire, or lava for their surroundings but can be found
almost anywhere.

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