Invisible Stalker	CR 7
Usually N Large Elemental (Air, Extraplanar) Init +8; Senses darkvision 60 ft.; Listen +13, Spot +13 Languages —
AC 17, touch 13, flat-footed 13 (−1 size, +4 Dex, +4 natural) hp 52 (8 HD) Fort +4, Ref +10, Will +4
Speed 30 ft., fly 30 ft. (perfect) Melee 2 slams +10 (2d6+4) Space 10 ft.; Reach 10 ft. Base Atk +6; Grp +14 Atk Options Combat Reflexes
Abilities Str 18, Dex 19, Con 14, Int 14, Wis 15, Cha 11 SQ elemental traits, natural invisibility, improved tracking Feats Combat Reflexes, Improved Initiative, Weapon Focus (slam) Skills Listen +13, Move Silently +15, Search +13, Spot +13, Survival +2 (+4 following tracks) Advancement 9-12 HD (Large); 13-24 HD (Huge)
Improved Tracking (Ex) An invisible stalker is a consummate tracker and makes Spot checks instead of the usual Survival checks to trace a creature's passage. Natural Invisibility (Su) This ability is constant, allowing a stalker to remain invisible even when attacking. This ability is inherent and not subject to the invisibility purge spell.

Invisible Stalker

CR 7

Usually N Large Elemental (Air, Extraplanar)

Init +8; Senses darkvision 60 ft.; Listen +13, Spot +13

Languages —

AC 17, touch 13, flat-footed 13
(−1 size, +4 Dex, +4 natural)

hp 52 (8 HD)

Fort +4, Ref +10, Will +4

Speed 30 ft., fly 30 ft. (perfect)

Melee 2 slams +10 (2d6+4)

Space 10 ft.; Reach 10 ft.

Base Atk +6; Grp +14

Atk Options Combat Reflexes

Abilities Str 18, Dex 19, Con 14, Int 14, Wis 15, Cha 11

SQ elemental traits, natural invisibility, improved tracking

Feats Combat Reflexes, Improved Initiative, Weapon Focus (slam)

Skills Listen +13, Move Silently +15, Search +13, Spot +13, Survival +2 (+4 following tracks)

Advancement 9-12 HD (Large); 13-24 HD (Huge)

Improved Tracking (Ex) An invisible stalker is a consummate tracker and makes Spot checks instead of the usual Survival checks to trace a creature's passage.

Natural Invisibility (Su) This ability is constant, allowing a stalker to remain invisible even when attacking. This ability is inherent and not subject to the invisibility purge spell.