BFFS!

Increases the size and effectiveness of most familiars.

"Your Friends Rule!"

• Visually increases the size of all familiars by 25%, and improves the effectiveness of most of them.
  • Doubles the damage of Familiars that deal damage through tears and contact damage.
    • Only affects familiars that deal a set amount of damage. Has no effect on most familiars that scale with Isaac's damage.
    • Has no effect on Creep generated by familiars.
  • For pickup-generating familiars, increases the frequency that they drop pickups.
    • Familiars that require clearing a certain number of rooms will require one less room.
    • Familiars that have a random chance to drop items have a higher chance.
    • Familiars that pick up consumables require less, except
      
      Dark Bum which is unaffected.
  • Some familiars have unique synergies.

• 
  BBF - Doubles impact damage and increases explosive damage by 25.
• 
  Bob's Brain - Doubles impact damage and increases explosive damage by 25.
• 
  Blood Oath - Adds 2 full hearts' worth of bonuses if any health is drained at all, e.g. losing 1 heart gives the bonuses of 3 hearts.
• 
  Incubus - Deals double Isaac's damage instead of copying it.
• 
  Fate's Reward - Deals double Isaac's damage instead of copying it.
• 
  Holy Water - Double water damage, spawn a blue flame at point of impact.
• 
  Juicy Sack - Spawns an extra Blue Spider.
• 
  Lil Spewer - Increases the creep pool's size, but not its damage.
• 
  Mystery Egg - Spawns a champion variant of the enemy, even if the enemy can't normally be a champion.
• 
  Lost Soul - Gives the Lost Soul a
  
  Holy Mantle effect.

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