Additional Snow Rules
While snow is covered in Chapter Thirteen: Environment of the pathfinder Roleplaying game Core Rulebook, there are some additional rules I’d personally use if snow is a major element for a specific adventure, but not a common part of a campaign overall.
Adaptation: Creatures with both the cold subtype and native to a cold environment, and those with the cold subtype and a natural climb speed, ignore all rules to perception, getting lost, and movement from snow.
Light snowfall: Very light snowfall produces less than an inch of snow per day. It does not impact visibility or flames. It actually gives a +4 bonus to Survival checks to track anyone who has passed by since the snowfall stopped, since their prints are outlined.
Snowfall: Normal snowfall reduced visibility enough that a character may get lost in the wilds when it is snowing this hard. See Getting Lost, in the Wilderness section of Chapter Thirteen: Environment. If there is an additional effect in addition to the snow that might cause characters to get lost, any Survival check to avoid getting lost takes a -4 penalty.
Heavy Snowfall: When it is snowing this hard, a character can get lost outside even within an urban environment, but may make a Knowledge (local) check rather than a Survival check to avoid this. Also, a character in a wilds environment takes a -4 penalty to a Survival check to avoid getting lost. If there is an additional effect in addition to the snow that might cause characters to get lost, any Survival check to avoid getting lost takes a -4 penalty. See Getting Lost, in the Wilderness section of Chapter Thirteen: Environment.
Heavy snowstorms and blizzards also reduce the effectiveness of fire attacks. Creatures vulnerable to fire do not take additional fire damage if they are in a heavy snowstorm or blizzard.
Whiteout: The most powerful of blizzards cause whiteout conditions. This grants everything more than 5 feet away total concealment (even from sound-based blindsight and blindsense), and anything close standard concealment. Check to avoid getting lost take a -20 penalty, and must be made every 10 minutes. Whiteout conditions last from a few minutes to a few hours, and can drop 1d4 feet of snow per hour.
If a character is in snow deeper than they are tall, this is similar to being stuck in an avalanche. Buried characters take 1d6 points of nonlethal cold damage per hour, in addition to any cold hazard. If a buried character falls unconscious, he must make a DC 15 Constitution check or take 1d6 points of lethal damage every ten minutes thereafter until freed or dead. See Cave-Ins and Collapses for rules on digging out buried creatures.
You can turn any creature into a snow creature by giving it the cold subtype, moving it to a cold terrain, and giving it a climb speed equal to 1/2 its movement rate. While the CR of a cold creature it not increased in general, an encounter with one or more cold creatures in a snowstorm or blizzard has an ad hoc +1 CR adjustment.
For example, the Blue Orrocs of the northern Basalt Mountains are famed for their dark blue-to-purple coloration and their raids made into the lowlands during blizzards and winter storms.
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Posted on February 5, 2017, in Adventure Design, Adventure Sketch, Orroc, Pathfinder Development, Uncategorized and tagged Development, gaming, Pathfinder, Random Stuff. Bookmark the permalink. Leave a comment.