How many quirks does All for One have? In the battle with All Might , All for One shows many quirks he has. Since I understand this is the last fight of All for One, are all his quirks shown in this battle? Is it known how many quirks does All for One have?
According to the wiki All for One has between 21 to 28 Quirks:


  
  All For One
  Search 
  Warping 
  Air Cannon 
  Springlike Limbs 
  Forcible Quirk Activation 
  Impact Recoil 
  Infrared Ray 
  Air Walk
  Longevity
  Proliferation
  Hypertrophy 
  Rivet 
  Bonespear 
  
  
  There is Four Kinetic Booster Quirks and three Strength Enhancement
  Quirks. (the wiki only mentions this)
  
  It is also possible that he possessed some, if not all of following
  Quirks:
  
  
  Absorption and Release 
  Tongue Web
  Muscle Enlargement
  Pterodactyl
  Tool Arms
  Shock Absorption 
  Super Regeneration