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Alternately, the PC can be towed by another person using the Encumbrance Rules for Dragging.
 
Alternately, the PC can be towed by another person using the Encumbrance Rules for Dragging.
  
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==Drowning==
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==Water Dangers==
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If a hero doesn't have (or loses ability) to breath underwater) he may hold his breath for  #rounds = x2CON. After this, the hero makes DC 10 Con +1 per round  check in order to continue holding her breath.  When a hero fails his Con check, he begins to drown.    1st round, unconscious (0 hp).  2nd round, --1 hit points and is dying.  3rd round, he drowns (dies).
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Very Deep deals water pressure damage of 1d6 points per minute for every 100 feet the character is below the surface. A successful Fortitude save (DC 15, +1 for each previous check) means the diver takes no damage in that minute. Descending is a Fort DC15 for one minute, and d6 damage for a failed save. At the Triton Palace, it is Fort DC 16 +1 per minute, and 2d6 damage for each fail. Any form with (acquatic) template is immune to the very deep damage.
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==Water Dangers==  (Pathfinder Core Book)
  
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==Light==
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  At 0 -- 100 feet, can see100 feet
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Water Dangers
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  At 100 -- 200 feet, can see 40 feet
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Any character can wade in relatively calm water that isn't over his head, no check required. Similarly, swimming in calm water only requires Swim skill checks with a DC of 10. Trained swimmers can just take 10. Remember, however, that armor or heavy gear makes any attempt at swimming much more difficult (see the Swim skill description).
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  At 200 feet, the light is shadowed, can only see 20 feet.
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  At 300 feet, it is dark.
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By contrast, fast-moving water is much more dangerous. Characters must make a successful DC 15 Swim check or a DC 15 Strength check to avoid going under. On a failed check, the character takes 1d3 points of nonlethal damage per round (1d6 points of lethal damage if flowing over rocks and cascades).
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==Spellcasting==
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Very deep water is not only generally pitch black, posing a navigational hazard, but worse, deals water pressure damage of 1d6 points per minute for every 100 feet the character is below the surface. A successful Fortitude save (DC 15, +1 for each previous check) means the diver takes no damage in that minute. Very cold water deals 1d6 points of nonlethal damage from hypothermia per minute of exposure.
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Spells require a Spellcraft check DC 10+ level of spell to pronounce correct the words. Speaking Aquan, requires no Spellcraft check since Aquan was made for underwater creatures.
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Drowning
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Any character can hold her breath for a number of rounds equal to twice her Constitution score. If a character takes a standard or full-round action, the remaining duration that the character can hold her breath is reduced by 1 round. After this period of time, the character must make a DC 10 Constitution check every round in order to continue holding her breath. Each round, the DC increases by 1.
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When the character finally fails her Constitution check, she begins to drown. In the first round, she falls unconscious (0 hp). In the following round, she drops to –1 hit points and is dying. In the third round, she drowns.
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Unconscious characters must begin making Constitution checks immediately upon being submerged (or upon becoming unconscious if the character was conscious when submerged). Once she fails one of these checks, she immediately drops to –1 (or loses 1 additional hit point, if her total is below –1). On the following round, she drowns.
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It is possible to drown in substances other than water, such as sand, quicksand, fine dust, and silos full of grain.
  
 
==Cold==  
 
==Cold==  
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Hypothermia.  Below 30 feet in the Plactic Ocean, an unprotected character must make a Fort save (DC 15, +1 per previous check) per 10 minutes, taking 1d6 points of nonlethal damage on each failed save.
 
  
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Any failed save also contracts hypothermia (treat her as fatigued). These penalties end when the character recovers the nonlethal damage she took from the cold and exposure.
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Deep water and cold water bring additional dangers of cold weather exposure.
  
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Cold and exposure deal nonlethal damage to the victim. This nonlethal damage cannot be recovered until the character gets out of the cold and warms up again. Once a character is rendered unconscious through the accumulation of nonlethal damage, the cold and exposure begins to deal lethal damage at the same rate.
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The Plactik Ocean is a [b]Cold Weather[/b] environment at 50 feet depth or below. Oceanic localized conditions may cause a change in this temperature as determined by the DM. Local conditions for smaller bodies of water are determined by the Board DM.
  
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==Aquatic Terrain (DM Guide)==
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....
  
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Aquatic terrain is the least hospitable to most PCs, because they can't breathe there. Aquatic terrain doesn't offer the variety that land terrain does. The ocean floor holds many marvels, including undersea analogues of any of the terrain elements described earlier in this section. But if characters find themselves in the water because they were bull rushed off the deck of a pirate ship, the tall kelp beds hundreds of feet below them don't matter. Accordingly, these rules simply divide aquatic terrain into two categories: flowing water (such as streams and rivers) and nonflowing water (such as lakes and oceans).
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(PCB - Cold Dangers)
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Cold and exposure deal nonlethal damage to the victim. A character cannot recover from the damage dealt by a cold environment until she gets out of the cold and warms up again. Once a character has taken an amount of nonlethal damage equal to her total hit points, any further damage from a cold environment is lethal damage.
  
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Flowing Water: Large, placid rivers move at only a few miles per hour, so they function as still water for most purposes. But some rivers and streams are swifter; anything floating in them moves downstream at a speed of 10 to 40 feet per round. The fastest rapids send swimmers bobbing downstream at 60 to 90 feet per round. Fast rivers are always at least rough water (Swim DC 15), and whitewater rapids are stormy water (Swim DC 20). If a character is in moving water, move her downstream the indicated distance at the end of her turn. A character trying to maintain her position relative to the riverbank can spend some or all of her turn swimming upstream.
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An unprotected character in cold weather (below 40° F)must make a Fortitude save each hour (DC 15, +1 per previous check) or take 1d6 points of nonlethal damage. A character who has the Survival skill may receive a bonus on this saving throw and might be able to apply this bonus to other characters as well (see the skill description).
  
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Swept Away: Characters swept away by a river moving 60 feet per round or faster must make DC 20 Swim checks every round to avoid going under. If a character gets a check result of 5 or more over the minimum necessary, he arrests his motion by catching a rock, tree limb, or bottom snag--he is no longer being carried along by the flow of the water. Escaping the rapids by reaching the bank requires three DC 20 Swim checks in a row. Characters arrested by a rock, limb, or snag can't escape under their own power unless they strike out into the water and attempt to swim their way clear. Other characters can rescue them as if they were trapped in quicksand (described in Marsh Terrain, above).  
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In conditions of severe cold or exposure (below 0° F), an unprotected character must make a Fortitude save once every 10 minutes (DC 15, +1 per previous check), taking 1d6 points of nonlethal damage on each failed save. A character who has the Survival skill may receive a bonus on this saving throw and might be able to apply this bonus to other characters as well. Characters wearing a cold weather outfit only need check once per hour for cold and exposure damage.
  
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Nonflowing Water: Lakes and oceans simply require a swim speed or successful Swim checks to move through (DC 10 in calm water, DC 15 in rough water, DC 20 in stormy water). Characters need a way to breathe if they're underwater; failing that, they risk drowning. When underwater, characters can move in any direction as if they were flying with perfect maneuverability.
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A character who takes any nonlethal damage from cold or exposure is beset by frostbite or hypothermia (treat her as fatigued). These penalties end when the character recovers the nonlethal damage she took from the cold and exposure.
  
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Stealth and Detection Underwater: How far you can see underwater depends on the water's clarity. As a guideline, creatures can see 4d8×10 feet if the water is clear, and 1d8×10 feet if it's murky. Moving water is always murky, unless it's in a particularly large, slow-moving river.
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==Aquatic Terrain (Pathfinder Core Book)
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It's hard to find cover or concealment to hide underwater (except along the seafloor). Listen and Move Silently checks function normally underwater.
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Invisibility: An invisible creature displaces water and leaves a visible, body-shaped "bubble" where the water was displaced. The creature still has concealment (20% miss chance), but not total concealment (50% miss chance).
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http://paizo.com/pathfinderRPG/prd/environment.html#aquatic-terrain-103 = PCB Aquatic Terrain
  
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==Underwater Combat (DM Guide)==
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This link covers:
  
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Land-based creatures can have considerable difficulty when fighting in water. Water affects a creature's Armor Class, attack rolls, damage, and movement. In some cases a creature's opponents may get a bonus on attacks. The effects are summarized in the accompanying table. They apply whenever a character is swimming, walking in chestdeep water, or walking along the bottom.
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-Flowing Water  
  
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Ranged Attacks Underwater: Thrown weapons are ineffective underwater, even when launched from land. Attacks with other ranged weapons take a --2 penalty on attack rolls for every 5 feet of water they pass through, in addition to the normal penalties for range.
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-Swept Away
  
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Attacks from Land: Characters swimming, floating, or treading water on the surface, or wading in water at least chest deep, have improved cover (+8 bonus to AC, +4 bonus on Reflex saves) from opponents on land. Landbound opponents who have freedom of movement effects ignore this cover when making melee attacks against targets in the water. A completely submerged creature has total cover against opponents on land unless those opponents have freedom of movement effects. Magical effects are unaffected except for those that require attack rolls (which are treated like any other effects) and fire effects.
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-Non-Flowing Water
  
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Fire: Nonmagical fire (including alchemist's fire) does not burn underwater. Spells or spell-like effects with the fire descriptor are ineffective underwater unless the caster makes a Spellcraft check (DC 20 + spell level). If the check succeeds, the spell creates a bubble of steam instead of its usual fiery effect, but otherwise the spell works as described. A supernatural fire effect is ineffective underwater unless its description states otherwise. The surface of a body of water blocks line of effect for any fire spell. If the caster has made a Spellcraft check to make the fire spell usable underwater, the surface still blocks the spell's line of effect.
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-Stealth and Detection Underwater
  
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Table: Combat Adjustments Underwater
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-Invisibility
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    ---------- Attack/Damage ----------
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  Condition..............Slashing or Bludgeoning..........Tail..............Movement..........Off Balance?<sup>4</sup>
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  Freedom of movement..........normal/normal..........normal/normal..........normal................No
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  Has a swim speed...............-2/half.................normal..............normal................No
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  Successful Swim check..........-2/half<sup>1</sup>...............-2/half..........quarter or half<sup>2</sup>..........No
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  Firm footing<sup>3</sup>..................-2/half................-2/half...............half.................No
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  None of the above..............-2/half................-2/half..............normal...............Yes
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# A creature without a freedom of movement effects or a swim speed makes grapple checks underwater at a --2 penalty, but deals damage normally when grappling.
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-Underwater Combat
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# A successful Swim check lets a creature move one-quarter its speed as a move action or one-half its speed as a full-round action.
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# Creatures have firm footing when walking along the bottom, braced against a ship's hull, or the like. A creature can only walk along the bottom if it wears or carries enough gear to weigh itself down--at least 16 pounds for Medium creatures, twice that for each size category larger than Medium, and half that for each size category smaller than Medium.
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-Ranged Attacks Underwater
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# Creatures flailing about in the water (usually because they failed their Swim checks) have a hard time fighting effectively. An off-balance creature loses its Dexterity bonus to Armor Class, and opponents gain a +2 bonus on attacks against it.
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-Attacks from Land
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-Fire Underwater
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-Spellcasting Underwater
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-Floods
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==Underwater Combat (DM Guide)==

Latest revision as of 14:32, 11 January 2012

Swimming

[link href="http://paizo.com/pathfinderRPG/prd/skills/swim.html#_swim"]PCB Swim Skill[/link]

Roll a Swim check once per round while you are in the water. Success means you may swim at up to half your speed (as a full-round action) or at a quarter of your speed (as a move action). If you fail by 4 or less, you make no progress. If you fail by 5 or more, you go underwater.

A character with Swim speeds can swim, hustle, or 'run' per normal rules.

Alternately, the PC can be towed by another person using the Encumbrance Rules for Dragging.

Water Dangers

==Water Dangers== (Pathfinder Core Book)


Water Dangers Any character can wade in relatively calm water that isn't over his head, no check required. Similarly, swimming in calm water only requires Swim skill checks with a DC of 10. Trained swimmers can just take 10. Remember, however, that armor or heavy gear makes any attempt at swimming much more difficult (see the Swim skill description).

By contrast, fast-moving water is much more dangerous. Characters must make a successful DC 15 Swim check or a DC 15 Strength check to avoid going under. On a failed check, the character takes 1d3 points of nonlethal damage per round (1d6 points of lethal damage if flowing over rocks and cascades).

Very deep water is not only generally pitch black, posing a navigational hazard, but worse, deals water pressure damage of 1d6 points per minute for every 100 feet the character is below the surface. A successful Fortitude save (DC 15, +1 for each previous check) means the diver takes no damage in that minute. Very cold water deals 1d6 points of nonlethal damage from hypothermia per minute of exposure.

Drowning Any character can hold her breath for a number of rounds equal to twice her Constitution score. If a character takes a standard or full-round action, the remaining duration that the character can hold her breath is reduced by 1 round. After this period of time, the character must make a DC 10 Constitution check every round in order to continue holding her breath. Each round, the DC increases by 1.

When the character finally fails her Constitution check, she begins to drown. In the first round, she falls unconscious (0 hp). In the following round, she drops to –1 hit points and is dying. In the third round, she drowns.

Unconscious characters must begin making Constitution checks immediately upon being submerged (or upon becoming unconscious if the character was conscious when submerged). Once she fails one of these checks, she immediately drops to –1 (or loses 1 additional hit point, if her total is below –1). On the following round, she drowns.

It is possible to drown in substances other than water, such as sand, quicksand, fine dust, and silos full of grain.

Cold

Deep water and cold water bring additional dangers of cold weather exposure.

The Plactik Ocean is a [b]Cold Weather[/b] environment at 50 feet depth or below. Oceanic localized conditions may cause a change in this temperature as determined by the DM. Local conditions for smaller bodies of water are determined by the Board DM.

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(PCB - Cold Dangers) Cold and exposure deal nonlethal damage to the victim. A character cannot recover from the damage dealt by a cold environment until she gets out of the cold and warms up again. Once a character has taken an amount of nonlethal damage equal to her total hit points, any further damage from a cold environment is lethal damage.

An unprotected character in cold weather (below 40° F)must make a Fortitude save each hour (DC 15, +1 per previous check) or take 1d6 points of nonlethal damage. A character who has the Survival skill may receive a bonus on this saving throw and might be able to apply this bonus to other characters as well (see the skill description).

In conditions of severe cold or exposure (below 0° F), an unprotected character must make a Fortitude save once every 10 minutes (DC 15, +1 per previous check), taking 1d6 points of nonlethal damage on each failed save. A character who has the Survival skill may receive a bonus on this saving throw and might be able to apply this bonus to other characters as well. Characters wearing a cold weather outfit only need check once per hour for cold and exposure damage.

A character who takes any nonlethal damage from cold or exposure is beset by frostbite or hypothermia (treat her as fatigued). These penalties end when the character recovers the nonlethal damage she took from the cold and exposure.

==Aquatic Terrain (Pathfinder Core Book)

http://paizo.com/pathfinderRPG/prd/environment.html#aquatic-terrain-103 = PCB Aquatic Terrain

This link covers:

-Flowing Water

-Swept Away

-Non-Flowing Water

-Stealth and Detection Underwater

-Invisibility

-Underwater Combat

-Ranged Attacks Underwater

-Attacks from Land

-Fire Underwater

-Spellcasting Underwater

-Floods

Underwater Combat (DM Guide)

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