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Revision as of 21:46, 12 November 2016

Epic Path \ Skills \ Perception


  • Ability Score Used: Wisdom
  • Usable Untrained? Yes
  • Armor Check Penalty Applies? No

Your senses allow you to notice fine details and alert you to danger. Perception covers all five senses, including sight, hearing, touch, taste, and smell.


Common Uses

Notice Someone/Something

Perception has a number of uses, the most common of which is an opposed check versus an opponent's Stealth check to notice the opponent and avoid being surprised. If you are successful, you notice the opponent and can react accordingly. If you fail, your opponent can take a variety of actions, including sneaking past you and attacking you.

Perception is also used to notice fine details in the environment. The DC to notice such details varies depending upon distance, the environment, and how noticeable the detail is. The following table gives a number of guidelines.

As a note, finding a trap requires you to be adjacent to the square you are checking for traps unless there are feats, abilities, magic items, etc which modify that task. Noticing large, obvious details (such as creatures size Small or larger) only takes a -1 per ten feet if there are poor visibility conditions. In clear conditions such rolls are typically -1 per one hundred feet, and if creatures are larger than size medium, the distance for each minus 1 is multiplied by each size category larger then size small. Thus, size medium is -1 per 100 feet, large is minus 1 per 200 feet, huge is -1 per three hundred feet, etc.


Table: Notice Someone/Something

Detail Perception DC
Hear the sound of battle -10
Notice the stench of rotting garbage -10
Detect the smell of smoke 0
Hear the details of a conversation 0
Notice a visible creature 0
Determine if food is spoiled 5
Hear the sound of a creature walking 10
Hear the details of a whispered conversation 15
Find the average concealed door 15
Hear the sound of a key being turned in a lock 20
Find the average secret door 20
Hear a bow being drawn 25
Sense a burrowing creature underneath you 25
Notice a pickpocket Opposed by Sleight of Hand
Notice a creature using Stealth Opposed by Stealth
Find a hidden trap Varies by trap
Identify the powers of a potion through taste 15 + the potion's caster level


Table: Perception Modifiers

Perception Modifiers DC Modifier
Distance to the source, object, or creature +1/10 feet
Through a closed door +5
Through a wall +10/foot of thickness
Favorable conditions1 -2
Unfavorable conditions1 +2
Terrible conditions2 +5
Creature making the check is distracted +5
Creature making the check is asleep +10
Creature or object is invisible +20
  • 1 Favorable and unfavorable conditions depend upon the sense being used to make the check. For example, bright light might increase the DC of checks involving sight, while torchlight or moonlight might give a penalty. Background noise might reduce a DC involving hearing, while competing odors might penalize any DC involving scent.
  • 2 As for unfavorable conditions, but more extreme. For example, candlelight for DCs involving sight, a roaring dragon for DCs involving hearing, and an overpowering stench covering the area for DCs involving scent.


Action

Most Perception checks are reactive, made in response to observable stimulus. Intentionally searching for stimulus is a move action.

  • Retry? Yes. You can try to sense something you missed the first time, so long as the stimulus is still present.


Modifiers

  • Familiars: A spellcaster with a hawk or owl familiar gains a +3 bonus on Perception checks. If you have the Alertness feat, you get a +2 bonus on Perception (and Sense Motive) checks.


Epic Skill Uses

Note: All uses below require a minimum of 21 Ranks in the skill to use.


Sense Magic

(DC 60) - sense the presence of an active magical effect in an area being examined.


Defeat illusion

(DC 100) - eliminates will save, must be able to see or hear it.


notice presence of an inanimate, unmoving invisible object

(DC 50) - you know something's there, but only in the general area ('this room'; not 'this square')


pinpoint the location of an inanimate, unmoving invisible object/creature

(DC 70) - but it will still have total concealment (50% miss chance).