Dear Crows, let me give you a quick overview on the LIGHT Domain of Crowfall and which Major and Minor Disciplines they give you access to. If you want to check out what each Specialization Class brings to the table check out my Races and Classes Guide.
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.
LIGHT DOMAIN DISCIPLINES
Cloisterer • benediction (group increase bleed resistance)• spite (passive: regenerate when stunned; knocked down) 
Exorcist • soul steal (attack: deals damage to enemies in a field, returning health)• blessed symbol (passive: increase critical healing chance and amount at low health) 
Field Surgeon • rescue (target ally avoids death)• fly you fools (passive: on death, heal and buff movement speed of your group) 
Friar • chain heal (target heal multiple allies)• fortuitous blessings (passive: periodically gain random buff) 
Naiad • fountain of life (ground targer area: healing)• cleanse (removes group bleeds, diseases, poisions and aurea emitters) 
Pack Leader • form life (heal: place healing orbs)• pack avatar (increase damage bonus and critical strike for your group) 
Pixie • soothing winds (target heal allies over time)• pix fix (passive: increase chain heal jumps; falloff reduction) 
Sun Worshiper • soothing winds (target heal allies over time)• cleanse (removes group bleeds, diseases, poisons and aura emitters) 
Transcendent Warrior • guiding light aura (toggle: increase group damage bonus: fire and holy)• divine aura (toggle: group increase to support power and personal healing modifier) 
First Wind • first wind (passive: regenerate when low health) 
Heads Up • heads up (group increase perception; remove expose) 
Indulgence • indulgence (group gain sin immunity, fire resistance) 
Meditation • meditation (restore your own stamina) 
Phantom Armor • phantom armor (passive: chance to gain armor class when hit) 
Restoration Strike • restoration strike (attack: combo restores resource) 
Revenge • revenge (passive: increase critical % after stealth attacked) 
Take Root • take root (passive: standing still buffs healing bonus)
