(Dinosaur) Sinraptor

This was a large, fast meat-eater similar in looks to Allosaurus it was a little lighter and faster.

Originally Posted by Allenbdinoboy of the Wizards Community forums.  
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Sinraptor
Huge animal
HD	12d8+72 (120 Hp)
Initiative	+2 (+2 Dexterity)
Speed	60 ft. (8 squares)
Armor Class	16 (-2 size, +2 Dexterity, +6 natural), touch 10, flat-footed 14
Base Attack/Grapple	+8/+13
Attack	Bite +15 melee (3d6+10)
Full Attack	Bite +15 melee (3d6+10) and 2 claw +10 melee (1d8+7)
Space/Reach	10 ft./10 ft.
Special Attacks	Improved Grab, Pounce, Shake
Special Qualities	Low-Light Vision, Scent
Saves	Fort +12, Ref +10, Will +5
Abilities	Strength 24, Dexterity 14, Constitution 22, Intelligence 2, Wisdom 12, Charisma 10
Skills	Spot +15, Listen: +15, Hide +9
Feats	Improved Natural Weapon (Bite), Improved Toughness, Improved Bull Rush, Run
Environment	Warm land
Organization	Solitary, Pair, or Pack (2-6)
Challenge Rating	9
Treasure	None
Alignment	Always neutral
Advancement	Hatchling 5-7(Medium), Juvinile 8-11(Large), Adult 12-24 HD(Huge), Sin-Lord 25-36 HD(Gargantuan)

Combat

The Sinraptor relies on speed, not strength to take down its prey. It’s most common tactic is to wait untill it’s prey is close then to burst out of the foliage and leap at it, and aims for the creature’s neck where it latches on.

Improved Grab: If a Sinraptor hits with any opponent of Small size or bigger (that has a neck or similar body part, A limb will do) with it’s bite attack it deals normal damage and attempts to start a grapple as a free action without provoking an attack of opportunity. No initial touch attack is required. A Sinraptor’s Improved Grab hits the opponent’s neck and latches on. If a Sinraptor begins a turn with an opponent in it’s Improved Grapple, It can choose to use the Shake ability instead of taking it’s it normal action. If the Creature is Small to large size, it can be lifted into the air. Only Sinraptors of Adult or Older Can use this.

Shake: If A Sinraptor has an opponent of small size or bigger in It’s Improved Grab it can choose to instead shake by making a successful grapple check. A Shake Deals the Followin to it’s subject 4d6+20 Damage (when it is an Adult) or 6d6+35 ( When it is A SinLord), as it’s rapidly shaked causing massive damage to neck and brain shaken baby syndrome style. If the creature survives, It must make a Fortitude Save at a DC of 27 to avoid being shaken (not the attack) for 1d6 Turns. Even if the Subject succedes it is still grappled, and can be shaken agian next turn. Only Sinraptors of Adult or Older Can use this.

* Sinraptors Gain a +13 Racial Bonus to Hide checks.