Libra

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Item icon
Item altar
 
 
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5.100.304
 

Character appearance
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Added in Afterbirth(page 3, column 19, row 3)
Removed in Afterbirth(page 3, column 9, row 10)

Libra is a passive Zodiac item.

Effects[edit | edit source]

Notes[edit | edit source]

  • The balancing is based on Isaac as the character himself; he gains no bonuses or penalties to any stats from simply having Libra on its own.
  • The game calculates Isaac's speed, range, tear delay, and damage before using them in Libra's balancing formula. This has the following notable effects:
    • If Isaac's Speed or Tear delay are already at their internal soft caps (2.00 and 5 respectively), items that increase them specifically will give no stats.
      • The only exception would be items that decrease tear delay, and then only if Isaac's tear delay isn't at the hard cap of 1.
    • Items that apply multipliers to Isaac's tear delay (Mutant Spider, Brimstone, Dr. Fetus, etc.) will have the stat penalty apply to ALL of Isaac's stats.
    • Much like how damage upgrades normally give less damage the more of them Isaac has, damage upgrades will give less stats all around the more of them Isaac has.
      • Damage multipliers will also influence the effectiveness of damage upgrades, whether they be from items or the intrinsic damage multiplier of the character that has them.
    • Items that affect the stats of Isaac's tears after they're fired (A Lump of Coal, Blood Clot, Proptosis, etc.) do not go through the balancing formula and work as normal.
  • Libra's balancing formula values tear delay higher than the other stats and damage less than the other stats. This makes standard tears ups give more stats than a standard range or speed up, and standard damage ups give less stats than a standard range or speed up.
  • Since tear height is not involved in the calculations, items such as Mini Mush Mini Mush or Added in AfterbirthKidney Stone Kidney Stone that increase tear height but lower range are mostly detrimental.

Interactions[edit | edit source]

  • Cricket's Body Cricket's Body: Due to how Libra values tear delay, Cricket's Body gives an overall stat downgrade or upgrade depending on Isaac's internal base tear delay: At 7 or less it increases stats, at 8 or more it decreases stats.
  • Eve's Mascara Eve's Mascara: Gives an overall stat downgrade, due to tears being weighted higher than damage.
  • Experimental Treatment Experimental Treatment: The greater number of stat upgrades compared to stat downgrades results in an effectively guaranteed all stats up. Health, Shot Speed, and Luck are still subject to chance.
  • Soy Milk Soy Milk/Ipecac Ipecac: Give huge overall stat upgrades, due to their respective stat upgrades having much greater overal value than their stat downgrades. Because of the huge Range increase, Isaac's tears fire at a height that lets them travel over obstacles.
  • Taurus Taurus: All of Isaac's stats will increase over time. However, if Isaac's internal base speed reaches 2.00, he stops gaining stats for the room and the invincibility never activates. Amusingly, Isaac will continue to turn an even darker red even after he stops gaining stats.
  • Technology 2 Technology 2: Halved tear delay due to firing out of only one eye is unaffected by the balancing formula.
  • Added in AfterbirthD8 D8: D8's stat changes depend on which stats end up with which multipliers and their base values. Range has a high weight and is uncapped, and thus can result in a massive boost if it scores a high multiplier. Damage is also uncapped but, on the other hand, has a low weight.
  • Added in AfterbirthDead Eye Dead Eye: The stat bonus from landing consecutive shots applies to all stats, which further increases the more damage upgrades Isaac already has.
  • Added in AfterbirthEpiphora Epiphora: The stat bonus for continuously firing in one direction applies to all stats. The accuracy penalty is unaffected.
  • Added in AfterbirthPurity Purity: At base stats, the tear delay and damage aura give a greater stat bonus than the range or speed aura.
  • Added in AfterbirthTape Worm Tape Worm: Grants a large bonus to all stats, which further increases the more range upgrades Isaac already has.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • The symbol of the scales is based on the Scales of Justice held by Themis, the Greek personification of divine law and custom.
  • Libra gives 6 bombs, 6 keys, and 6 coins, a potential reference to the Number of the Beast (666).

Seeds[edit | edit source]

 PC  F4C8 CPWM (First floor treasure room)

 PC  G3VX ADL3 (Treasure room adjacent to spawn)

 PC  FJGQ 16DZ (First floor treasure room; second floor treasure room contains soy milk for synergy.)

 PC  LME3 1YAY (Treasure room adjacent to spawn)

 PC  LVK4 LE8W (First floor treasure room)

 PC  39EQ E7Q2 (First floor treasure room two left of spawn; treasure room two right of spawn contains Soy Milk for synergy) (Hard mode only)

 PS4  PEBQ QMMW (Treasure room adjacent to spawn)

 PC  Added in Afterbirth 3GMP EP3E (First XL Floor treasure room adjacent to spawn; Soy Milk in treasure room of next floor) (Hard mode only)

 PC  Added in Afterbirth † RXPJ 0GCX (Treasure room adjacent to spawn)

 Switch  CQWB 0CFV (First floor treasure room)

 Switch  T2AE MZW1 (Treasure room adjacent to spawn)


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