Dear fellow Crows,
let me give you a quick overview on all the Minor Disciplines that Crowfall has to offer. If you want to check out what each Specialization Class brings to the table check out my Races and Classes Guide.
In case you are interested in specific Disciplines check out the Crowfall Domain Overviews for Major and Minor Disciplines.
CREDIT: I want to thank Tinnis, who made an invaluable contribution by providing the descriptions of the disciplines I could copy paste as captions to you can search the disciplines and their abilities.
All Clear • all clear (passive: increase damge when apart from enemies) 
Archery • grants: arrows, recurve bow, ranged tray 
Banshee Wail • banshee wail (attack: reduce movement speed) 
Barbed Stake • barbed stake (attack: deals damage to enemies that remain within its field) 
Bearers Insignia • bearers insignia (passive: increase out of combat regeneration; gain resources when healing) 
Blessed Symbol • blessed symbol (passive: increase critical healing chance and amount at low health) 
Blood Pact • blood pact (passive: change power cost to health) 
Blood Rose • blood rose (passive: healed targets gain thornshield buff) 
Brutal Slam • brutal slam (attack: reduce enemy physical mitigation) 
Burning Hatred • burning hatred (passive: spawn health orbs on damage) 
Careless Whisper • careless whisper (passive: basic attacks buff crit stats) 
Cold Armor • cold armor (buff: increase group ice resistance) 
Concussive Trap • concussive trap (trap: stuns targets) 
Crazy Pills • crazy pills (passive: increase damage on low resource) 
Cripple • cripple (attack: combo reduces enemy attack power) 
Critical Dodge • critical dodge (passive: critical strikes restore dodge) 
Dirge Of Dissonance • dirge of dissonance (song: damge enemies) 
Dispel • dispel (attack: cancel and punish barrier users) 
Eminently Punchable • hit me (passive: gain resource on enemy hit) 
Explosive Trap • explosive trap (passive adds burning to traps) 
Faerie Flames • faerie flames (decrease target’s mitigations, prevent stealth) 
Faerie Trap • faerie trap (passive: traps now reduce mitigation and block stealth) 
Finish Him • finish him (passive increase execute power damge) 
First Wind • first wind (passive: regenerate when low health) 
Fortified Stakes • fortified stakes (passive: increase radius and effectiveness of stakes) 
Furious • furious (passive: increase damage bonus if rage hits max) 
Glamour Weapon • glamour (increase attack power) 
Glass Cannon • glass cannon (passive: increase damage; increase damge taken) 
Gods Reach • hammer prof, hammer mastery, ranged, ranged tray 
Guardian Rhythms • guardian rhythms (song: increase group mitigation) 
Heads Up • heads up (group increase perception; remove expose) 
Hunter • shadow alertness (buff: increase group perception, attack power. detects stealth)• hyper alert (passive: alertness cooldown decreased) 
Illusory Shield • throw illusion shield (attack: snares multiple enemies) 
Indulgence • indulgence (group gain sin immunity, fire resistance) 
Lament Of Sadness • lament of sadness (song: reduce enemy attack, support power) 
Last Resort • last resort (passive: gain crit chance on low health) 
Marked For Death • marked for death (mark a target to take increased damage from your group members) 
Meditation • meditation (restore your own stamina) 
Minor Accompaniment • minor accompaniment (passive: increase song damage) 
Moon Elf • moon elf heritage (passive: increase perception, ranged distance bonus, far-sight at night) 
Pack Avatar • buff: increase damage bonus and critical strike for your group 
Payback • payback (passive: gain crit following retaliation) 
Phantom Armor • phantom armor (passive: chance to gain armor class when hit) 
Pound Of Flesh • pound of flesh (passive: damge bonus versus high health) 
Reactionary • deadly retaliation (retaliate with high crit chance) 
Reaper • angel of death (passive: increase enemy damgage at low health) 
Recon • recon (stealth: exposes target) 
Restoration Strike • restoration strike (attack: combo restores resource) 
Resurrection • resurrection (revives one fallen ally) 
Revenge • revenge (passive: increase critical % after stealth attacked) 
Rune Shield • rune shield (increase elemental resistances) 
Rupture Barrier • rupture barrier (passive: increase damage vs barriers. gain resource) 
Serrated Trap • serrated trap (passive: add a bleed to your traps) 
Shadows Linger • shadows linger (passive: incerase critical damage amount after losing stealth) 
Skullcracker • (wrong disc name/power?) archers stake (creates a field granting attack power) 
Song Of Speed • song of speed (song: increase group movement speed) 
Sparring • sparring (passive: increases basic attack damage) 
Speedy Retaliate • speedy retaliate (retaliate with movement speed bonus) 
Spirit Whip • spirit whip (passive: melee basic attacks hit multiple enemies) 
Speading Flame • speading flame (attack: spreads burning to nearby enemies) 
Stay In The Fight • stay in the fight (passive: basic attacks have no cost when low on resources) 
Sturdy • sturdy (passive: reduce health loss on high health) 
Sun Elf Heritage • sun elf heritage (passive: increases perception, ranged distance bonus, far-sight during the day)• 
Supreme Element • supreme element (passive: elemental damage grants buffs) 
Take Root • take root (passive: standing still buffs healing bonus) 
Taste Of Poison • taste of poison (passive: create wisps. consuming wisps increases damage bonus) 
Thornshield • thornshield (activate thorns) 
Touch Of Rot • touch of rot (passive: reduce support power on last basic attack) 
Toughness • toughness (group increase maximum health) 
OUTDATED – Toxic Trap • toxic trap (passive: adds blackmantle to yout traps) 
Tunnel • tunnel (blink in wasd direction while burrowed) 
Underdog • underdog (passive: gain attack power when stunned; knocked down) 
Weapon Finesse • weapon finesse (passsive: greatly reduces power resource costs)