Psi abilities - Revision history

PaposikG6: added Perceptual Isolation Helmet mention

2023-11-02T16:37:01Z

added Perceptual Isolation Helmet mention

PaposikG6: /* Psi and psi reserves */

2023-03-26T08:43:12Z

Psi and psi reserves

ThatBarry: Added ways to increase maximum psi

2021-08-13T16:05:57Z

Added ways to increase maximum psi

Wikiman: /* Legacy psi system */

2020-10-21T19:12:06Z

Legacy psi system

Wikiman: /* Background lore */ added fluff about mentors, lunatics, psiderm patches

2020-10-21T18:58:20Z

Background lore: added fluff about mentors, lunatics, psiderm patches

Wikiman: /* Psi slots and innervation */

2020-10-21T18:38:04Z

Psi slots and innervation

Wikiman: 1.1.2.0-1.1.2.4 major psi update

2020-10-21T18:36:16Z

1.1.2.0-1.1.2.4 major psi update

UnLimiTeD: Added info about psi reserves. I honestly didn't do it justice. --~~~~

2020-10-19T21:46:23Z

Added info about psi reserves. I honestly didn't do it justice. --~~~~

Wikiman: mark outdated

2020-07-23T08:46:56Z

mark outdated

WikimanBot: fix links

2020-01-12T18:36:10Z

fix links

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 [[File:psimenu.png|thumb|right|280px|Psi Abilities menu {{Key|P}} showing one innervated ability from all 4 skills, 2 free slots and 2 locked slots.]]
-Characters have a limited number of psi slots and psi abilities must be innervated into them in the Psi Abilities menu {{Key|P}} before they can be invoked. Number of naturally available psi slots depends on Intelligence: <code>2 + intelligence/2</code>, up to maximum of 8, rounded down. Psionic headbands crafted with a [[Psi Circuit Extension]] can increase psi slots past the natural limit. Innervating psi abilities from multiple disciplines increases base psi cost: +10% for each discipline. This penalty can be altered with either [[Psycho-neural Flexibility]] or [[Psycho-neural Optimization]] feat. Changing innervated abilities removes all current psi points and reserves, and cannot be done in combat.
+Characters have a limited number of psi slots and psi abilities must be innervated into them in the Psi Abilities menu {{Key|P}} before they can be invoked. Number of naturally available psi slots depends on Intelligence: <code>2 + intelligence/2</code>, up to maximum of 8, rounded down. Psionic headbands crafted with a [[Psi Circuit Extension]] or equipping [[Perceptual Isolation Helmet]] can increase psi slots past the natural limit. Innervating psi abilities from multiple disciplines increases base psi cost: +10% for each discipline. This penalty can be altered with either [[Psycho-neural Flexibility]] or [[Psycho-neural Optimization]] feat. Changing innervated abilities removes all current psi points and reserves, and cannot be done in combat.
 === Other mechanics ===

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 * [[Neurology]]
 * [[Mindshroom Martini]]
 * [[Philosophy|Discussing the Ferryman's philosophy]]{{expedition-inline}}
 * [[Sørmirbæren Staff-spear]]{{expedition-inline}}

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 ==== Psi and psi reserves ====
 All characters with [[Psi Empathy]] have 100 maximum psi, as well as 5 times the number of their maximum psi in psi reserves, but also a permanent 20% penalty to maximum health. Maximum psi does not scale with any character statistics, but it can be increased or decreased with certain psi [[feats]] and items. Psi reserves can be increased from their usual 5x with [[Expanded Psi Capacitance]] feat.
 ==== Psi regeneration ====

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 It has no concept of psi reserves nor psi slots. Psi fully regenerates and doesn't require consumables to refill, except when needing a quick boost. Psi characters are free to invoke any of their psi abilities at any time, at normal cost.
-Existing psi characters will receive [[Forceful Innervation]] feat, [[Psycho-neural Reconstructive Agent]] pill and generous amount of [[Desaturated Psionic Inhalant]]s when updating the game from legacy versions. This allows legacy psi characters to use their Will base ability to determine their available psi slots, albeit with a penalty of 10 their psi points. They can use the pill and move to intelligence-based psi slots and lose the penalty. Legacy psi characters also get .
+Existing psi characters will receive [[Forceful Innervation]] feat and [[Psycho-neural Reconstructive Agent]] pill when updating the game from legacy versions. This allows legacy psi characters to use their Will base ability to determine their available psi slots, albeit with a penalty of 10 their psi points. They can use the pill and move to intelligence-based psi slots and lose the penalty. Legacy psi characters also get a generous amount of [[Desaturated Psionic Inhalant]]s.
 ==== Older history ====

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 The player character also has this psionic potential, but it must be unlocked early on in the game by taking a pill that disables your brain's psionic inhibitor, thus granting you [[Psi Empathy]]. There is also the option of not taking the pill at all, leaving your character healthier but without any psionic capabilities.
-Some creatures and plants also have varying degrees of psionic mutations, such as the common [[Mindshroom|Lacesso Gigantus]] mushrooms and psionic [[Azuridae]] beetles.
+Reckless use of psionic powers is not without its dangers. Whether its due to overdosing on psi-enhancing drugs, [[Psionic Mentor|cerebral imprinting]] gone wrong or something else entirely, some psionics in South Underrail are known to turn insane and usually end up in the gang of [[Lunatics]]. At one point in Black Sea's history, psi addiction was known to be a health hazard and was treated with medical [[PsiDerm]] patches.
 == Game mechanics ==

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 '''Psionic abilities''' can be seen as ''Underrail's'' equivalent of magic, game mechanics-wise. They're combat abilities that require psi points to use.
-== Background ==
+== Background lore ==
 Due to a recent genetic mutation, humans in Underrail have varying levels of psionic potential. No one is really sure how this genetic trait came to be, but research indicates that it is a relatively recent genetic mutation. However - it seems to be artificially designed mutation, since so many things about the mutation are just too complex and convenient to be random ones. [[Hal Roche]] argued the countrary, believing the mutation would've been way too complex to engineer with existing technology.
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 == Game mechanics ==
-[[File:psibar.png|thumb|right|200px|The in-game psi bar tooltip showing current/maximum psi and regeneration.]]
+[[File:psibar.png|thumb|right|280px|The in-game psi bar tooltip showing current / maximum psi (+regeneration) and psi reserves.]]
-All characters with [[Psi Empathy]] have 100 max psi points, as well as 500 points of Psi Reserves, but also a permanent 20% penalty to max health. Psi pool does not scale with any character statistics, but it can be slightly increased with certain psi [[feats]]. Psi regenerates every turn in combat and every 5 seconds out of combat, drawing from the characters reserves. The regeneration scales with [[Will (Base Ability)|Will]] and [[Intelligence]]: <code>psi regen = 5 + (will+int)/2</code>, rounded down. Once the reserves are depleted, the character can not regenerate psi points naturally anymore until refilling with a psi inhalant.
+Characters have a limited number of psi slots and psi abilities must be innervated into them in the Psi Abilities menu {{Key|P}} before they can be invoked. Number of available psi slots depends on Intelligence: <code>2 + intelligence/2</code>, up to maximum of 8, rounded down. However, psionic headbands crafted with a [[Psi Circuit Extension]] can increase psi slots past the limit. Innervating psi abilities from multiple disciplines increases base psi cost: +10% for each discipline. This penalty can be altered with either [[Psycho-neural Flexibility]] or [[Psycho-neural Optimization]] feat. Changing innervated abilities removes all current psi points and reserves, and cannot be done in combat.
-The power of psi abilities is determined by the invoker's effective psionic skill, which in turn is determined by skill points put in the skill modified by [[Will (Base Ability)|Will]] score and synergies from other psi skills. Most damage-dealing psi abilities deal increased damage with higher skill, but psi abilities may also scale in other aspects, such as [[Pseudo-spatial Projection]] which projects an additional copy for every 40 skill points in Thought Control. Some psi abilities such as [[Cryostasis]] do not scale at all with the invoker's skill.
+=== Other mechanics ===
 Effective psionic skill also lowers the chance that status effects from offensive psi abilities are resisted. Targets may resist mental effects with [[Resolve]] and physical ones with [[Fortitude]].
-Unlike most other attacks, offensive psionic abilities cannot miss their targets unless otherwise specified. Most targeted psionic abilities can be invoked through chainlink fences and gates, excluding physical projectile attacks which cannot pass through them ([[Cryokinesis]], [[Cryokinetic Orb]] and [[Pyrokinesis]].)
+Unlike most other attacks, offensive single-target psionic abilities cannot miss their targets, but some area of effect psi abilities can miss. Most targeted psionic abilities can be invoked through chainlink fences and gates, excluding physical projectile attacks which cannot pass through them ([[Cryokinesis]], [[Cryokinetic Orb]] and [[Pyrokinesis]].)
 The use of psionic abilities can be temporary inhibited with [[Psi-cognitive Interruption]] or [[Black Dragon Poison]].
-=== History ===
+=== Legacy psi system ===
 Alpha versions prior to [[0.1.14.0]] had no psi regeneration. Instead, will score and level determined max psi points. The changes were made to make psi cost more relevant when choosing what to invoke. Abilities that were meant to be used as primary attacks have a low cost and can be spammed without running out of psi. However, high impact abilities can run you out of psi quickly.[http://underrail.com/forums/index.php?topic=1174.0]. In the early implementation of psi regeneration, between versions alpha [[0.1.14.0]] and beta [[0.2.0.0]], the regeneration did not scale with any character statistics.
 == Psionic disciplines ==
-Psi powers in [[Underrail]] are split into 3 distinct disciplines — '''Thought Control''', '''Psychokinesis''' and '''Metathermics'''. [[Underrail: Expedition]] expansion adds fourth psi skill, '''Temporal Manipulation'''.
+Psi powers in [[Underrail]] are split into 3 distinct disciplines with a skill for each — '''Thought Control''', '''Psychokinesis''' and '''Metathermics'''. [[Underrail: Expedition]] expansion adds fourth psi skill, '''Temporal Manipulation'''.
 === Thought Control ===

← Older revision		Revision as of 08:46, 23 July 2020
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		+	{{Outdated\|reason=[[1.1.2.0]] changes}}
		+
	'''Psionic abilities''' can be seen as ''Underrail's'' equivalent of magic, game mechanics-wise. They're combat abilities that require psi points to use.		'''Psionic abilities''' can be seen as ''Underrail's'' equivalent of magic, game mechanics-wise. They're combat abilities that require psi points to use.

@@ Line 11: / Line 11: @@
 [[File:psibar.png|thumb|right|200px|The in-game psi bar tooltip showing current/maximum psi and regeneration.]]
-All characters with [[Psi Empathy]] have 100 max psi points, but also a permanent 25% penalty to max health. Psi pool does not scale with any character statistics, but it can be slightly increased with certain psi [[feats]]. Psi regenerates every turn in combat and every 5 seconds out of combat. The regeneration scales with [[Will]] and [[Intelligence]]: <code>psi regen = 5 + (will+int)/2</code>, rounded down.
+All characters with [[Psi Empathy]] have 100 max psi points, but also a permanent 25% penalty to max health. Psi pool does not scale with any character statistics, but it can be slightly increased with certain psi [[feats]]. Psi regenerates every turn in combat and every 5 seconds out of combat. The regeneration scales with [[Will (Base Ability)|Will]] and [[Intelligence]]: <code>psi regen = 5 + (will+int)/2</code>, rounded down.
-The power of psi abilities is determined by the invoker's effective psionic skill, which in turn is determined by skill points put in the skill modified by [[Will]] score and synergies from other psi skills. Most damage-dealing psi abilities deal increased damage with higher skill, but psi abilities may also scale in other aspects, such as [[Pseudo-spatial Projection]] which projects an additional copy for every 40 skill points in Thought Control. Some psi abilities such as [[Cryostasis]] do not scale at all with the invoker's skill.
+The power of psi abilities is determined by the invoker's effective psionic skill, which in turn is determined by skill points put in the skill modified by [[Will (Base Ability)|Will]] score and synergies from other psi skills. Most damage-dealing psi abilities deal increased damage with higher skill, but psi abilities may also scale in other aspects, such as [[Pseudo-spatial Projection]] which projects an additional copy for every 40 skill points in Thought Control. Some psi abilities such as [[Cryostasis]] do not scale at all with the invoker's skill.
 Effective psionic skill also lowers the chance that status effects from offensive psi abilities are resisted. Targets may resist mental effects with [[Resolve]] and physical ones with [[Fortitude]].