Celtic Cross is an unlockable passive item.
Effect[]
- Grants a chance to trigger the
Book of Shadows effect upon taking damage, creating a shield that nullifies all types of damage for 7 seconds.
Notes[]
- The base chance of creating the protective shield is 20%
- The activation chance of this item depends on the Luck stat and goes up to 100% at 27 Luck.
- The shield negates health loss from Blood Donation Machines and Devil Beggars.
- Does not prevent Heart Container loss from Health Down pills or Devil Room Deals.
- Does not prevent damage from IV Bag.
Synergies[]
- The Polaroid, Virgo: Can trigger at the same time as The Polaroid or Virgo, cumulating to up to 22 seconds of shield.
In-game Footage[]
Trivia[]
- In Galicia, Celtic crosses are usually found on top of granaries as a protective measure against any kind of evil. They are also commonly found among Celtic nations today and historically.
- This item is functionally almost identical to Virgo, minus the pill conversion effect.
Seeds[]
PC 
864T K7DP (Treasure Room adjacent to spawn)
PC ZDS6 BYQN (First floor Treasure Room)
PC QDYL E0W7 (First floor Treasure Room)
PS4 4KLV R17F (First floor Treasure Room)
PC Vita DL4N WV3P (First floor Treasure Room)
Switch 
Q8RY S40K (First Golden Treasure Room)
Switch YYHR 0T8Z (First floor Treasure Room)
 Magdalene Unlocks
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 ??? (Boss) Unlocks
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