Perception is one of the main attributes in ADOM, the ninth value displayed to the right of your character's name. Its abbreviation is Pe.

Purposes Edit

Perception has a several effects on the PC's abilities. These include:

  • How far you can see in dungeons. Characters with low perception will only see monsters when they are a few tiles away, though this can be alleviated by using a torch or the Farsight spell. Line of sight increases in dungeons at 5/10/20/25/30/40 Perception.
  • Ranged to-hit and damage. Ranged to-hit increases by 1 per 6 points of Perception, and ranged damage increases by 1 per 4 points of Perception. This is a somewhat lesser influence than Dexterity.
  • Ability to find secret doors. This is also influenced by your character's race.
  • Hearing noises. Listening skill is a bigger factor.
  • Noticing traps. Alertness (passive) and Detect traps (active) are more likely to reveal traps.

Despite what the manual says, Perception is not one of the more important attributes, though Archers and other missile weapon users are likely to want a very high Perception. Thieves and other stealth-based classes will probably want good Perception, as well.

There is also an unusual benefit to a very low Perception: 5 points or less lets you enter the Rift despite not meeting the Willpower requirement of 20 - apparently, you don't have to overcome your fear of heights if you are too short-sighted to see what you should be afraid of. It is, however, not at all trivial to even get such a low Perception value, since most characters start higher and in cases far higher, though the "mists of ChAoS" corruption combined with the relatively common orcish helmet can easily take a character with mediocre to good perception to that point.

All in all, perhaps the most important aspects of Perception are the required values for Master Packager (12) and Great Book Caster (15), rather popular talents.

How to train it Edit

As of 1.2.0 stat training respects potentials (meaning training will not raise potential).

Garth Edit

Pretty much one of two methods to reliably increase Perception is by spending money to train with Garth. Higher values require progressively higher amounts of gold, meaning there is a soft cap on this method. Low values are fixed with relatively low effort, but PCs should keep in mind that Perception is not usually worth big investments. Still, having a decent Perception is relatively important if the player plans on drinking a potion of exchange.

How to raise it Edit

Stat potions Edit

Potions of carrot juice and potions of gain attributes can be used to increase Perception. There is no soft or hard cap for using potions of gain attributes, but blessed potions of carrot juice will generally stop working after 20 or if Perception potential is reached. Uncursed potions of carrot juice are rumored to increase very low values of Perception. Rooms that smell of carrots will give a one-time boost of +5/+3/+1 (B/U/C) to Perception if a potion of carrot juice is drunk inside them. This boost has no other limit; it is possible to go all the way to 99 Perception if one finds enough rooms (they can appear in the ID). Potions of gain attributes should be blessed before use and consumed once other methods of stat increase have stopped working.

Perception is the only attribute without a corresponding "potion of [attribute]" or "potion of [attribute] potential"; as such, there is no way to independently increase Perception potential.

Eating Corpses Edit

Great blue wyrms increase Perception by one if eaten, should one ever be defeated and drop its corpse. Most minotaurs also increase Perception when eaten.

Starsign Edit

Raven increases your Perception by two, while Wolf increases it by three.

Class powers Edit

  • Bards receive +6 Perception as part of their level 50 class power.

Talents Edit

The "Alert" talent that is only available at the start of the game increases initial Perception by 2.

Corruption Edit

Growing 12 eyes will grant +6 to Perception, and having black eyes grants a bonus of +3. Having one eye will grant +4 Perception only if the PC is not wearing a helmet.

How to Abuse It Edit

The "mists of ChAoS" corruption reduces Perception by 10, and the babbling mouth corruption reduces it by 4.

Age gradually reduce the stat.

Players will also lose one point of perception if they enter a room filled with shattering mirrors with an Appearance score below 18.

Apart from these, only stat draining or cursed potions of gain attributes will permanently reduce Perception.

Items Edit

Several items in the game will grant a Perception bonus if worn (standard bonus in brackets). These include:

Additionally, equipping an orcish helmet reduces Perception — usually by two points.

Requirements Edit

Perception Required for
12 Master Packager
13 Scout
15 Great book caster
18 Sixth sense

Visible distance Edit

Perception level Visible distance
in dungeons outside, in daytime outside, at dusk/dawn outside, at night
1-4 3 10 5 5
5-9 4 13 8
10-14 5 15 10
15-19 5 18 13
20-24 6 20 15
25-29 7 23 18
30-34 8 25 20
35-39 8 28 23
40-99 9 30 25

(See the Time article for details on when night/dawn/dusk/day is)

Having a lit torch increases visibility range in dungeons by 3 squares per torch. Multiple torches do stack, and it appears that the B/U/C status of the torch does not have any effect on this. Wearing an uncursed necklace of the eye in dungeons will increase visibility range by 2, a blessed one by 3, and a cursed one will decrease visibility by 1.

In most cases the distance consists of:

This value should be multiplied by location coefficient: