here are some updated stat blocks:
Ba’atun
Medium Outsider (Evil, Lawful, Native)
Hit Dice: 2d8+2 (11 hp)
Initiative: +2
Speed: 25 ft (5 squares), fly 60 ft (average)
AC: 16 (+2 Dex, +4 natural) touch 12, flat-footed 14
Base Attack/Grapple: +2/+5
Attack: Bite +5 melee (1d6+3)
Full Attack: Bite +5 melee (1d6+3) and 2 claws +0 melee (1d4+1)
Space/Reach: 5 ft/5 ft
Special Attacks: Screech
Special Qualities: Darkvision 60 ft, resistance to cold 5, vulnerability to fire
Saves: Fort +4, Ref +5, Will +3
Abilities: Str 16, Dex 15, Con 13, Int 10, Wis 11, Cha 11
Skills: Climb +7, Hide +9, Intimidate +9, Listen +7, Spot +7, Tumble +8
Feats: Ability Focus (screech) (B), Flyby Attack
Environment: Cold mountains
Organization: Solitary, squad (8 plus 1 wing sergeant), flight (16 plus 2 wing sergeants, plus flight leader), or swarm (32 plus 4 wing sergeants plus 2 flight leaders plus 1 swarm leader)
Challenge Rating: 1
Treasure: Standard
Alignment: Always lawful evil
Advancement: By character class
Level Adjustment: +X
Ba'atun, Wing Sergeant
Medium Outsider (Evil, Lawful, Native)
Hit Dice: 3d8+6 (19 hp)
Initiative: +2
Speed: 30 ft (6 squares), fly 60 ft (average)
AC: 16 (+2 Dex, +4 natural) touch 12, flat-footed 14
Base Attack/Grapple: +3/+6
Attack: Bite +6 melee (1d6+3)
Full Attack: Bite +6 melee (1d6+3) and 2 claws +1 melee (1d4+1)
Space/Reach: 5 ft/5 ft
Special Attacks: Screech
Special Qualities: Darkvision 60 ft, resistance to cold 5, vulnerability to fire
Saves: Fort +5, Ref +5, Will +4
Abilities: Str 17, Dex 15, Con 15, Int 12, Wis 13, Cha 14
Skills: 54
Feats: 2
Environment: Cold mountains
Organization: Solitary, squad (8 plus 1 wing sergeant), flight (16 plus 2 wing sergeants, plus flight leader), or swarm (32 plus 4 wing sergeants plus 2 flight leaders plus 1 swarm leader)
Challenge Rating: X
Treasure: Standard
Alignment: Always lawful evil
Advancement: By character class
Level Adjustment: +X
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Ba'atun, Flight Leader
Medium Outsider (Evil, Lawful, Native)
Hit Dice: 5d8+0 (0 hp)
Initiative: +3
Speed: 30 ft (6 squares), fly 60 ft (average)
AC: 17 (+3 Dex, +4 natural) touch 13, flat-footed 14
Base Attack/Grapple: +5/+9
Attack: Bite +9 melee (1d6+4) or sling +8 ranged (1d4+4?)
Full Attack: Bite +9 melee (1d6+4) and 2 claws +4 melee (1d4+2) or sling +8 ranged (1d4+4?)
Space/Reach: 5 ft/5 ft
Special Attacks: Ice shards, screech, web stones
Special Qualities: Darkvision 60 ft, resistance to cold 5, vulnerability to fire
Saves: Fort +7, Ref +7, Will +7
Abilities: Str 18, Dex 17, Con 16, Int 15, Wis 16, Cha 16
Skills: 80
Feats: 2
Environment: Cold mountains
Organization: Solitary, squad (8 plus 1 wing sergeant), flight (16 plus 2 wing sergeants, plus flight leader), or swarm (32 plus 4 wing sergeants plus 2 flight leaders plus 1 swarm leader)
Challenge Rating: X
Treasure: Standard
Alignment: Always lawful evil
Advancement: By character class
Level Adjustment: +X
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Ba'atun, Swarm Leader
Medium Outsider (Evil, Lawful, Native)
Hit Dice: 7d8+35 (66 hp)
Initiative: +4
Speed: 30 ft (6 squares), fly 60 ft (average)
AC: 19 (+4 Dex, +5 natural) touch 14, flat-footed 15
Base Attack/Grapple: +7/+12
Attack: Bite +12 melee (1d6+5) or ice javelin +11 ranged (1d6+5 plus ice splinters)
Full Attack: Bite +12 melee (1d6+5) and 2 claws +7 melee (1d4+2) or ice
javelin +11 ranged (1d6+5 plus ice splinters)
Space/Reach: 5 ft/5 ft
Special Attacks: Cold ray, ice shards, screech
Special Qualities: Darkvision 60 ft, resistance to cold 5, vulnerability to fire
Saves: Fort +4, Ref +4, Will +4
Abilities: Str 20, Dex 19, Con 20, Int 18, Wis 18, Cha 19
Skills: 120
Feats: 3
Environment: Cold mountains
Organization: Solitary, squad (8 plus 1 wing sergeant), flight (16 plus 2 wing sergeants, plus flight leader), or swarm (32 plus 4 wing sergeants plus 2 flight leaders plus 1 swarm leader)
Challenge Rating: X
Treasure: Standard
Alignment: Always lawful evil
Advancement: By character class
Level Adjustment: +X