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View Full Version : Plesiosaurus (3.5 Monster, PEACH)



NeoSeraphi
2012-01-02, 05:43 PM
http://upload.wikimedia.org/wikipedia/commons/thumb/3/37/Plesiosaurus2.jpg/220px-Plesiosaurus2.jpg

Plesoisaurus
Huge Animal
HD 8d8+48 (84 HP)
Speed 10 ft. (2 squares); 60 ft swim (12 squares)
Init: +0
AC 20; touch 8; flat-footed 20
(10 -2 Size +12 Natural)
BAB +6; Grp +25
Attack Bite +12 (3d6+10 20/x2)
Full-Attack Bite +12 (3d6+10 20/x2)
Space 15 ft.; Reach 10 ft. (15 ft with its bite)
Special Attacks Improved Grab, Swallow Whole
Special Qualities Low-light vision, hold breath
Saves Fort +12 Ref +6 Will +2
Abilities Str 25, Dex 10, Con 22, Int 2, Wis 10, Cha 6
Skills Swim +23*
Feats Improved Grapple (B), Improved Natural Attack (Bite), Swim-By Attack, Weapon Focus (Bite)
Environment Aquatic
Organization Solitary or pair
Challenge Rating 6
Treasure Standard
Alignment Always neutral
Advancement 9-15 HD (Huge), 16-25 HD (Gargantuan)
Level Adjustment -

The plesiosaurus is 15 ft long and 10 ft wide.

Combat

The plesiosaurus is not a hostile creature, but when it is threatened, it responds with deadly force.

Improved Grab (Ex): To use this ability, a plesiosaurus must hit a Large or smaller creature with its bite attack. It can then attempt to start a grapple as a free action that does not provoke an attack of opportunity.

Swallow Whole (Ex): The plesiosaurus can try to swallow a grabbed opponent of Medium or smaller size by making a successful grapple check. Once inside, the opponent takes 3d6+10 points of crushing damage plus 1d8+7 points of acid damage per round from the plesiosaurusís digestive juices. A swallowed creature can cut its way out by dealing 30 points of damage to the plesiosaurusís digestive tract (AC 25). Once the creature exits, muscular action closes the hole; another swallowed opponent must cut its own way out. The plesiosaurusís gullet can hold 2 Medium, 8 Small, or 32 Tiny or smaller creatures.

Hold Breath (Ex): A plesiosaurus can hold its breath for a number of rounds equal to 6 ◊ its Constitution score before it risks drowning.

Skills (Ex): The plesiosaurus receives a +8 racial bonus on all Swim checks, and can take 10 on a Swim check even when under duress.




Dire Plesoisaurus
Huge Animal
HD 15d8+80 (148 HP)
Speed 10 ft. (2 squares); 60 ft swim (12 squares)
Init: +0
AC 30; touch 8; flat-footed 30
(10 -2 Size +22 Natural)
BAB +11; Grp +32
Attack Bite +19 (3d6+13 20/x2)
Full-Attack Bite +19 (3d6+13 20/x2)
Space 20 ft.; Reach 15 ft. (20 ft with its bite)
Special Attacks Improved Grab, Swallow Whole
Special Qualities Low-light vision, hold breath
Saves Fort +15 Ref +9 Will +5
Abilities Str 29, Dex 10, Con 22, Int 2, Wis 10, Cha 10
Skills Swim +32*
Feats Improved Grapple (B), Improved Natural Attack (Bite), Swim-By Attack, Weapon Focus (Bite), Improved Natural Armor (3x)
Environment Aquatic
Organization Solitary or pair
Challenge Rating 12
Treasure Double Standard
Alignment Always neutral
Advancement 16-25 HD (Gargantuan)
Level Adjustment -

The dire plesiosaurus is 20 ft long and 15 ft wide.

Combat

The dire plesiosaurus is not a hostile creature, but when it is threatened, it responds with deadly force.

Improved Grab (Ex): To use this ability, a dire plesiosaurus must hit a Large or smaller creature with its bite attack. It can then attempt to start a grapple as a free action that does not provoke an attack of opportunity.

Swallow Whole (Ex): The dire plesiosaurus can try to swallow a grabbed opponent of Medium or smaller size by making a successful grapple check. Once inside, the opponent takes 3d6+13 points of crushing damage plus 1d8+9 points of acid damage per round from the dire plesiosaurusís digestive juices. A swallowed creature can cut its way out by dealing 40 points of damage to the dire plesiosaurusís digestive tract (AC 25). Once the creature exits, muscular action closes the hole; another swallowed opponent must cut its own way out. The dire plesiosaurusís gullet can hold 2 Medium, 8 Small, or 32 Tiny or smaller creatures.

Hold Breath (Ex): A dire plesiosaurus can hold its breath for a number of rounds equal to 6 ◊ its Constitution score before it risks drowning.

Skills (Ex): The dire plesiosaurus receives a +8 racial bonus on all Swim checks, and can take 10 on a Swim check even when under duress.

Wyntonian
2012-01-02, 05:50 PM
Eh, it looks all right. I'm not an expert on monsters, but I can't see anything glaringly wrong with it. CR seems a little low, but 5 is the highest level I've ever played at, so I'm not sure.

Debihuman
2012-01-02, 08:58 PM
Reach should also apply an extra length for the creature's bite since it has a long neck.

Space/Reach: 15 ft./10 ft. (15 ft. with bite)


It strikes me that you don't have Stormwrack (there is an official plesiosaur on pages 146-147).

Hold breath would also be a good special ability, as it has a 10 ft. land speed.

Creatures generally gain a size when they double their HD. So 16 HD should be Gargantuan. 9-15 HD (Huge) 16-25 (Gargantuan).

Debby

NeoSeraphi
2012-01-02, 09:02 PM
Reach should also apply an extra length for the creature's bite since it has a long neck.

Space/Reach: 15 ft./10 ft. (15 ft. with bite)


Sure.



It strikes me that you don't have Stormwrack (there is an official plesiosaur on pages 146-147).


I do. I never read the Monster sections though. Didn't know there was a plesiosaur there.



Hold breath would also be a good special ability, as it has a 10 ft. land speed.


Nah. The land speed is just because I don't see it being completely unable to move outside of water, but it's definitely not supposed to come out of the water. If it gets beached, it's going to start suffocating.



Creatures generally gain a size when they double their HD. So 16 HD should be Gargantuan. 9-15 HD (Huge) 16-25 (Gargantuan).

Debby

Alright, changed. Thanks for your help.

Acidic_Cakes
2012-01-03, 04:18 AM
Hmm, would you be willing to make a dire version of it, by any chance?

NeoSeraphi
2012-01-03, 10:24 AM
Hmm, would you be willing to make a dire version of it, by any chance?

Yeah, sure, I'll get started on it now.

NeoSeraphi
2012-01-03, 10:49 AM
Dire version is now up

Lyndworm
2012-01-04, 06:26 AM
I'm with Debihuman on the Aquatic subtype/Hold Breath ability thing. Compare to the porpoise (http://www.d20srd.org/srd/monsters/porpoise.htm), orca (http://www.d20srd.org/srd/monsters/whale.htm#orca), cachalot whale (http://www.d20srd.org/srd/monsters/whale.htm#cachalotWhale), and baleen whale (http://www.d20srd.org/srd/monsters/whale.htm#baleenWhale). None of those animals are meant to come ashore for any significant period of time (two of them are arguably less suited for it than the plesiosaur), and yet they all have Hold Breath instead of the Aquatic subtype.

Otherwise, this is a really good beast. Good job, Seraphi.

Zeta Kai
2012-01-04, 07:48 AM
I do. I never read the Monster sections though. Didn't know there was a plesiosaur there.

This might have saved you some effort. :smallwink: I mean no offense, but I've noticed other homebrew of yours that could have been obviated had you read the rules more thoroughly.

NeoSeraphi
2012-01-04, 08:46 AM
I'm with Debihuman on the Aquatic subtype/Hold Breath ability thing. Compare to the porpoise (http://www.d20srd.org/srd/monsters/porpoise.htm), orca (http://www.d20srd.org/srd/monsters/whale.htm#orca), cachalot whale (http://www.d20srd.org/srd/monsters/whale.htm#cachalotWhale), and baleen whale (http://www.d20srd.org/srd/monsters/whale.htm#baleenWhale). None of those animals are meant to come ashore for any significant period of time (two of them are arguably less suited for it than the plesiosaur), and yet they all have Hold Breath instead of the Aquatic subtype.

Otherwise, this is a really good beast. Good job, Seraphi.

Well, the plesiosaur is described as a "marine dinosaur". Does that mean it could breathe underwater, or that it could hold its breath? I don't know for sure.

Sgt. Cookie
2012-01-04, 10:58 AM
Well, the plesiosaur is described as a "marine dinosaur". Does that mean it could breathe underwater, or that it could hold its breath? I don't know for sure.

A whale is a "Marine mammal" if that helps...

NeoSeraphi
2012-01-04, 12:18 PM
A whale is a "Marine mammal" if that helps...

Hmm, fair enough. Alright, I'll change it to the Hold Breath ability.

Tanuki Tales
2012-01-04, 12:57 PM
Sorry to nitpick, but the Plesiosaurus should be Large size, not Huge.

Their average length is 11 to 15 feet and Huge's starting cut-off is 16 feet.

NeoSeraphi
2012-01-04, 01:15 PM
Sorry to nitpick, but the Plesiosaurus should be Large size, not Huge.

Their average length is 11 to 15 feet and Huge's starting cut-off is 16 feet.

x.x Seriously? This is why I don't homebrew monsters...ugh.

I don't even care enough to change it though...this whole thing hasn't been fun for me. I'm just going to discard this...

Zeta Kai
2012-01-04, 02:20 PM
x.x Seriously? This is why I don't homebrew monsters...ugh.

I don't even care enough to change it though...this whole thing hasn't been fun for me. I'm just going to discard this...

Don't feel too bad, the Stormwrack plesiosaur was Gargantuan for no good reason.

And monster design can be fun, but it takes a certain finesse to get right. The only really annoying part is getting the CR just right; sometimes, there's just no easy answer. The Vorpal Tribble has an excellent guide to monster making here (http://www.giantitp.com/forums/showthread.php?t=43009).