A trapdoor cannot be placed in front of a Secret Room entrance position, making this item an indirect aid to locating Secret Rooms.
This item can be used to destroy rocks if used while Isaac is flying over a rock.
This item can be used to create a trapdoor on The Womb before defeating Mom's Heart, which means the player will be able to access Sheol before unlocking it, and, if the player manages to defeat Satan, also unlock rewards for beating Satan.
When used on the last floor of a challenge, a trapdoor to the next floor can spawn. If it is entered, Isaac must beat the boss of that floor to spawn the ending trophy.
This page was last edited on 14 April 2021, at 16:28.
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