Ok so this is what I have so far, thanks
@Azel for tremendous chassis work and @everyone for assistance ( I will need more of it
)
Bigger Fish, CR 8
Large Construct
Hit Dice: 10d10+60 (115)
Initiative: + 2
Speed: 60 ft., Fly 160 ft. (poor), Swim 60 ft.
Armor Class: 22 (-1 size, + 2 dex, +11 natural), touch 11, flat-footed 20
Base Attack/Grapple: +10/ +21 (+10, +4 size, +7 str)
Attack: Bite +12 Melee (2d6+7), 2 Claws +12 Melee (1d8+7), 2 Wings + 7 Melee (1d6+3), Tail Slap +7 Melee (1d8+3)
Space/Reach: 10 ft./ 5 ft.; 10ft. with Bite
Special Attacks: Breath weapon (DC 17), Improved Grab, Iron Maiden
Special Qualities: Blindsense 60 ft., Construct Traits, Damage Reduction 10/Adamantine, Darkvision 120 ft., Immunity to Magic, Lifesense,
Saves: Fort -, Ref +8, Will +8
Abilities: Str 25, Dex 14, Con -, Int 12, Wis 14, Cha 16
Skills: Hide +20, Move Silently +20, Fly +10, Listen +14, Survival +16, Spot +15, Climb+10 (likely change)
Feats: Fly-By Attack, Fly-By Breath, Lifesense, Track, Feat 5? (where did that come from?)
Language: Common, Draconic
Alignment: Lawful Evil
Advancement: 11-14 HD (Large); 15-20 HD (Huge)
Level Adjustment: --
Spell-Like Abilities: (CL 12th)
At will -
Invisibility (Self only),
Limp Lash
1/day
Word of Recall (Special: Works with Iron Maiden)
A lithe automaton sheathed in smoky black dragonscale with the large cold eyes of a deep water predator and sharp swept back wings it seems equally as at home in the water as it does the sky.
Unlike most constructs, the Bigger Fish takes great satisfaction and savage glee in it's task though it is still unwaveringly loyal to it's master and never let's indulgence in the hunt get in the way of the mission.
The Bigger Fish attacks from ambush whenever possible, tracking it's quarry tirelessly to maximise advantageous conditions. In a successful ambush the Bigger Fish will prioritise it's Iron Maiden ability so it may bring the prey back to it's master with Word of Recall.
If an ambush fails the Bigger Fish readily retreats and resumes pursuit, if faced with significant opposition the Bigger Fish will retreat with Word of Recall starting a new hunt over.
Special Abilities:
Breath Weapon (Su): A Bigger Fish's breath weapon is a 40 ft. cone of thick, acrid steam. Living creatures caught in the steammust succeed on a Fortitude save or be nauseated as they choke and cough. A creature that chokes for 3 or more consecutive rounds takes 1d6 points of nonlethal damage per 2 HD of the Bigger Fish. Any living creature that begins it's turn in the steam must save again.
Immunity to Magic (Ex): A Herald is immune to spells or spell-like abilities that allow spell resistance. Certain spells and effects function differently against it, as noted below.
Control water slows the Herald down as the Slow spell for 3 rounds without a save.
Mind Affecting spells cause mental backlash staggering the caster for 1 round.
Improved Grab (Ex): To use this ability, a Bigger Fish must hit with it's claw or bite attack. It can then attempt to start a grapple as a free action without provoking an attack of opportunity. If it wins the grapple check, it establishes a hold and can attempt to encase the opponent the following round.
Iron Maiden (Ex): By making a grapple check A Bigger Fish can try to force a grabbed opponent of a smaller size than itself into the lightless cavity of it's chest.
On a succesful check the opponent is completely encased in the Iron Maiden. It is considered pinned by the Iron Maiden and can take no actions except trying to break free. It gains total cover from those outside of the Iron Maiden, and those outside have total cover from it. Encased creatures receive no saving throw against Word of Recall.
On an unsuccessful check the opponent remains grappled and cannot move from its space, but can otherwise act normally.
Whether the opponent was successfully encased or not, it can attempt to break out of the Iron Maiden's grip by making a DC 30 Strength check or dealing 25 Bludgeoning damage. Once the opponent has exited, the edges of the wound meld back together over the course of 1d2 rounds.
A creature that is grappled (but not pinned) by the Iron Maiden can attempt an DC 25 Escape Artist Check to break free.
Monster in the Mist(Su): A Bigger Fish has the ability to see to the limits of it's normal vision types in conditions of Cloud and Fog as similar to
Snowsight.
Construction Requirements: Craft Construct, Craft Magical Arms and Armor, Invisibility, Word of Recall, Geas;
Materials: a custom made platemail worth 3000 GP; for each of the descriptors Air, Water, Lawful, Evil at least a pound of material with a value of roughly 1600 GP from a plane which is strongly aligned with that descriptor.
Cost: 5000 GP
Aberrant Scent (Feat/Bonus Feat?): The twisting scent of aberrant taint is uniquely potent, you can detect opponents within 60 feet by sense of smell. In addition, if you have the Track feat, you can track aberrant creatures by scent. You gain a +4 bonus on survival checks when tracking aberrations by scent and may move at full speed without penalty and up to twice your normal speed with a -10 penalty.