Dragon, Chromatic, Black - World-Disk SRD

Stat block

AC0 (touch 0, flat-footed 0)HP0 ()SavesFort +0, Ref +0, Will +0MeleeSpeed60 ft., swim 60 ft.AbilitiesStr 11, Dex 16, Con 13, Int 8, Wis 11, Cha 8BAB / CMB / CMD+0 / +0 / 0Environmentwarm marshes

Combat brain - every behavior cites its line (1 rules)

Built only from this entry: stat-block special attacks, the printed Int score, the creature type, its feats and senses, and the behavioral prose of its own description. Nothing invented - an uncited behavior is a test failure.

skirmisher (from abilities)
abilities: Dex 16 over Str 11 - strike and slip away, never trade full attacks

From the entry

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 5 feet per age category of the dragon. When an acid pool is created, anyone inside its area takes an amount of damage equal to the dragon's breath weapon (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 until the result would be less than 1d6. The acid pool floats on water, and deals damage to anything on the surface. 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. A great wyrm black dragon can use this ability three times per day. It works as a mass charm monster spell that affects only reptilian animals. This ability is the...