The material below is Open Game Content from a 3PP Source
Adult Bronze Dragon CR 13 (XP 25,600)
LG Huge dragon (water)
Init +0; Senses dragon senses; Perception +28
Aura frightful presence (180 ft., DC 23)
Defense
AC 28, touch 8, flat-footed 28 (+20 natural, –2 size)
hp 184 (16d12+80)
Fort +15, Ref +10, Will +15
DR 5/magic; Immune electricity, paralysis, sleep; SR 24
Offense
Speed 40 ft., fly 200 ft. (poor), swim 60 ft.
Melee bite +22 (2d8+12), 2 claws +22 (2d6+8), 2 wings +20 (1d8+4), tail slap +20 (2d6+12)
Space 15 ft.; Reach 10 ft. (15 ft. with bite)
Special Attacks breath weapon (100-ft. line, DC 23, 12d6 electricity), crush, repulsion breath
Spell-Like Abilities (CL 16th)
At will—create food and water, fog cloud, speak with animals
Spells Known (CL 7th)
3rd (5/day)—dispel magic, slow (DC 18)
2nd (7/day)—blur, gust of wind, mirror image
1st (8/day)—alarm, mage armor, obscuring mist, shield, true strike
0 (at will)—detect magic, light, message, resistance, 2 more
Statistics
Abl Str 27, Dex 10, Con 21, Int 20, Wis 21, Cha 20
Base Atk +16; CMB +26; CMD 36 (40 vs. trip)
Feats Alertness, Cleave, Flyby Attack, Hover, Improved Vital Strike, Multiattack, Power Attack, Vital Strike
Skills Diplomacy +24, Fly +11, Handle Animals +21, Intimidate +24, Knowledge (arcana, geography) +24, Perception +28, Sense Motive +28, Spellcraft +24, Stealth +11, Swim +35
Languages Aquan, Common, Draconic, Elven, Gnome, 2 more
SQ change shape, water breathing, wave mastery
Bronze dragons have been known to ally with travelers and adventurers if the cause and reward is right and just.