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Converting prehistoric animals

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Shade

Monster Junkie
How's this?

Dart (Ex): Once per hour, a nothosaurus can swim five times its normal speed (200 feet) when it makes a charge.
 

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Shade

Monster Junkie
I believe that concludes those for which Demiurge has conversions. :)

Shonisaurus
CLIMATE/TERRAIN: Subtropical/tropical, any water
FREQUENCY Rare
ORGANIZATION: Solitary
ACTIVITY CYCLE: Day
DIET: Carnivore
INTELLIGENCE: Animal (1)
TREASURE: Nil
ALIGNMENT: Neutral
NO. APPEARING: 1-2
ARMOR CLASS: 7
MOVEMENT: SW 15
HIT DICE: 18
THAC0: 5
NO. OF ATTACKS: 1 bite
DAMAGE/ATTACK: 5d8
SPECIAL ATTACKS: Swallow whole
SPECIAL DEFENCE: Nil
MAGIC RESISTANCE: Nil
SIZE: G (49')
MORALE: Elite (13)
XP VALUE: 12,000

This was the giant of the ichthyosaur family, a group of marine reptiles that resembled long-snouted dolphins with vertical tail fins like a fish’s. Shonisaurus had a huge guppy-shaped body with powerful elongated jaws; overall, Shonisaurus was 49’ long. Oddly, the front and rear pairs of paddles were of equal length—an unusual feature in aquatic vertebrates.

The jaws of Shonisaurus are too narrow to swallow man-sized prey whole, although smaller-than-man-size creatures will be swallowed whole on a roll of two or more over the number needed to hit. The bite does great damage.

Originally appeared in Dragon Magazine #187 (1992).


Wikipedia entry: http://en.wikipedia.org/wiki/Shonisaurus
 

freyar

Extradimensional Explorer
Could maybe be Gargantuan, but I'm thinking probably Colossal.

Swallow whole, but only for Small or smaller? Definitely Imp Grab.

Edit: we have any other large ichthyosaurs to compare stats?
 


freyar

Extradimensional Explorer
Ok, Temnodontosaurus has Str 22, Dex 17, Con 18, Int 2, Wis 16, Cha 9. Just want to upsize those stats to G or C?
 

Shade

Monster Junkie
G: Str 30, Dex 17, Con 22, Int 2, Wis 16, Cha 9
C: Str 38, Dex 17, Con 26, Int 2, Wis 16, Cha 9
 

freyar

Extradimensional Explorer
Anyone have an opinion on the size?

Based on the "great damage" from the bite, I'd suggest bumping Str a little. We could probably also decrease Dex and Wis a little to compensate since these feel more like brute strength hunters rather than stealthy or quick ones.
 




RavinRay

Explorer
It's ok with me as well. Ichthyosaurs with barrel-shaped bodies and lunate tails were better adapted as open ocean pursuit predators (like tuna) than as ambush predators, which had a more elongated, sea-serpent body plan.
 

demiurge1138

Inventor of Super-Toast
Yeah, but this is a pursuit predator the size of a boat. What would it eat? Entire clouds of fish or squid? I suspect that the niche of Shonisaurus was something more like a humpback whale. Which means we should give it some sort of ability to suck up large quantities of water, and its attendant lifeforms, in one gulp. Fortunately, we've already gotten a suction feeding mechanic hammered out for Dunkleosteus. We just need to make it bigger.
 

Shade

Monster Junkie
Added to Homebrews.

Its speed converts to 40 feet, but the smaller ichthyosaur has 50 feet. Should we increase its speed?

Here's the vortex maw we came up with earlier.

Vortex Maw (Ex): A dinicthys can open its mouth so quickly that it creates a powerful suction. All creatures within 30 feet must make Strength checks opposed by the dinicthys's Strength check (+16 for a standard dinicthys), with the same modifiers as a bull rush. If the dinicthys beats a creature's Strength check result, it pulls the victim 5 feet closer to its jaws. For each 5 points by which its check result is greater than a victim's check result, the dinicthys pulls the victim an additional 5 feet closer. The victim provokes attacks of opportunity if it is moved.
 

freyar

Extradimensional Explorer
Yeah, let's go to 60 ft (or 50 if we need to compromise). Increase the vortex maw range to 40 ft?

Good to have you back, Shade!
 


demiurge1138

Inventor of Super-Toast
I'd keep its speed lower. This thing is bulky and enormous. Baleen and cachalot whales both have speeds of 40 as well.
 

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