Wyvern Drake (CR 10)
This large heavily scaled dragon beats its immense wings and lands two taloned feet. Saliva drips from the beast's toothy maw as it roars a challenge and raises its bifurcated tail, each end tipped with a hooked stinger, poised and ready to strike.
N Large dragon
Init +5; Senses darkvision 60 ft., low-light vision, scent; Perception +19
AC 22, touch 10, flat-footed 22 (+1 Dex, +12 natural, –1 size)
hp 103 (11d12+55)
Fort +12, Ref +8, Will +10
Immune dragon traits, paralysis, sleep; Resist acid 10 (black, copper, or green), cold 10 (silver or white), electricity 10 (blue or bronze), or fire 10 (gold or red); SR 19
Speed 20 ft., fly 60 ft. (poor), swim 40 ft.
Melee bite +16 (2d6+6 plus grab), 2 stings +16 (1d6+6 plus poison), 2 wings +11 (1d6+3)
Space 10 ft.; Reach 5 ft.
Special Attacks breath weapon (6d6 acid, cold, electricity, or fire damage, Reflex DC 19 half, usable every 1d4 rounds), rake (2 talons +16, 1d6+5)