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Black Dragon, Ancient


Ancient Black Dragon CR 16

XP 76,800
CE Huge dragon (water)
Init +4; Senses dragon senses; Perception +34; Aura frightful presence (300 ft., DC 25)

DEFENSE

AC 38, touch 8, flat-footed 38 (+30 natural, –2 size)
hp 297 (22d12+154)
Fort +20, Ref +13, Will +18
DR 15/magic; Immune acid, paralysis, sleep, SR 27

OFFENSE

Speed 60 ft., fly 200 ft. (poor), swim 60 ft.
Melee bite +32 (2d8+16 plus 4d6 acid), 2 claws +31 (2d6+11), 2 wings +29 (1d8+5), tail +29 (2d6+16)
Space 15 ft.; Reach 10 ft. (15 ft. with bite)
Special Attacks acid pool (50-ft. radius), acidic bite, breath weapon (100-ft. line, DC 28, 20d6 acid), corrupt water, crush
Spell-Like Abilities (CL 22nd)
At willdarkness (100-ft. radius), insect plague, plant growth

Spells Known (CL 11th)
5th (4/day)cone of cold (DC 19), wall of force
4th (7/day)arcane eye, black tentacles, dimension door
3rd (7/day)dispel magic, heroism, hold person(DC 17), slow (DC 17)
2nd (7/day)blur, glitterdust (DC 16), invisibility, summon swarm, whispering wind
1st (7/day)alarm, mage armor, magic missile, obscuring mist, true strike
0 (at will)dancing lights, detect magic, light, mage hand, mending, message, prestidigitation, read magic, resistance

STATISTICS

Str 33, Dex 10, Con 25, Int 18, Wis 21, Cha 18
Base Atk +22; CMB +35; CMD 45 (49 vs. trip)
Feats Alertness, Combat Expertise, Flyby Attack, Greater Vital Strike, Improved Initiative, Improved Vital Strike, Multiattack, Power Attack, Skill Focus (Stealth), Vital Strike, Weapon Focus (bite)
Skills Fly +17, Handle Animal +26, Intimidate +29, Knowledge (arcana) +29, Knowledge (history) +29, Knowledge (geography) +29, Perception +34,Spellcraft +29, Stealth +23, Swim +44
Languages Common, Draconic, Giant, Goblin, Orc

SPECIAL ABILITIES

Acid Pool (Su)

An ancient or older black dragon can use its breath weapon to create an acid pool as a standard action. This acid pool has a radius of 50 feet. When an acid pool is created, anyone inside its area takes 20d6 points of acid damage (Reflex half). Any creature that starts its turn touching this pool takes damage, but can make a Reflex save for half. Each round, the total damage dice of the pool is halved (10d6 round 2, 5d6 round 3, 2d6 round 4, 1d6 round 5) until the result would be less than 1d6. The acid pool floats on water, and deals damage to anything on the surface.

Acidic Bite (Su)

At old age, a black dragon’s bite deals an additional 2d6 points of acid damage. An ancient dragon’s damage increases to 4d6, and a great wrym’s to 6d6.

Corrupt Water (Sp)

Once per day an adult or older black dragon can stagnate 10 cubic feet of still water, making it foul and unable to support water-breathing life. The ability spoils liquids containing water. Liquid-based magic items (such as potions) and items in a creature’s possession must succeed on a Will save (DC 25) or become ruined. This ability is the equivalent of a 1st-level spell. Its range is 300ft.

Crush (Ex)

A flying or jumping Huge or larger dragon can land on foes as a standard action, using its whole body to crush them. Crush attacks are effective only against opponents three or more size categories smaller than the dragon. A crush attack affects as many creatures as fit in the dragon’s space. Creatures in the affected area must succeed on a Reflex save (DC equal to that of the dragon’s breath weapon) or be pinned, automatically taking bludgeoning damage during the next round unless the dragon moves off them. If the dragon chooses to maintain the pin, it must succeed at a combat maneuver check as normal. Pinned foes take damage from the crush each round if they don’t escape. A crush attack deals the indicated damage plus 1-1/2 times the dragon’s Strength bonus.

Speak with Reptiles (Sp)

A young or older black dragon gains the constant spell-like ability to speak with reptiles. This functions as speak with animals, but only with reptilian animals.

Swamp Stride (Ex)

A very young or older black dragon can move through bogs and quicksand without penalty at its normal speed.

Water Breathing (Ex)

A black dragon can breathe underwater indefinitely and can freely use its breath weapon, spells, and other abilities while submerged.