These evil beings crawled up from subterranean depths long ago. Their concentrating magical power lets them use multiple spells at once.
Demon (CR 5)
AC 18, touch 11, flat-footed 16 (+2 Dex, +7 natural, -1 size)
hp 51  (6d10+18)
Fort +8, Ref +4, Will +8
DR 5/cold iron or good; Immune lightning, poison; Resist Fire 15, Ice 5; SR 16
Speed 40 ft., fly 90 ft. (good)
Melee Mwk longsword +7 (2d6+5/19-20), Mwk whip +3 (1d4+2) or 2 Slams +11 (2d6+5)
Space 10 ft.; Reach 10 ft. (20 ft. with whip)
Special Attacks Concentrating Magical Power
Spells Known (FC CL 6th; Concentration +9)
1st (DC 14) – Blizzard, Dark, Fire, Thunder
2nd (DC 15) – Blizzard II, Dark II, Fire II, Thunder II
Str 20, Dex 15, Con 17, Int 8, Wis 16, Cha 12
Base Atk +6 CMB +12 CMD 24
Feats Combat Reflexes, Improved Natural Attack (Slam), Power Attack
Skills Acrobatics +11, Bluff +10, Fly +13, Perception +20, Sense Motive +12; Racial Modifiers +8 Perception
Languages Abyssal; telepathy 100 ft.
SQ Whip Mastery
Concentrating Magical Power (Ex)
1/day, a demon can cast two spells using one standard action. Both of the spells must have the same standard action casting time. The demon can make any decisions concerning the spells independently of each other.
Whip Mastery (Ex)
A demon treats a whip as a light weapon for the purposes of two-weapon fighting, and can inflict lethal damage on a foe regardless of the foe’s armor.