Dataminer

Dataminer is an activated item added in The Binding of Isaac: Afterbirth †.

Effects

 * For the current room, rotates every enemy and pickup 90 degrees and moves its sprite up and left.
 * Enemy hitboxes remain the same.
 * Increases one of Isaac's stats and decreases another. Possible stat changes include:
 * ± 1 flat damage
 * ±0.5 tears
 * ±0.2 speed and maximum speed (may never exceed 2.0)
 * ±0.2 shot speed
 * ±1 luck
 * ±0.5 range
 * ±1.50 range
 * Adds random tear effects for the current room.
 * Distorts the music for the current room.

Synergies

 * : The stats are locked to the highest number achieved, rendering the stat downs behind the scene immaterial.

Trivia

 * The item name and description are a likely reference to the dataminers who discovered the secret of, as well as the ARG's recurring usage of the number 109.
 * The item and its pickaxe icon are a play on words on the term data mining, used in the context of gaming communities as extracting data from the game files.
 * The item's sprite is a recolor and flipped version of the.
 * If used during the Mom fight, you will be able to see a normally hidden part of the leg sprite revealing a blue skirt with yellow polka dots.
 * If Dataminer is used right before travelling to the next floor, the music for the transition screen will be affected by it.
 * Also affects the music during the Game Over screen (Isaac's last will), if activated before death.
 * In a Q&A from Twitter, Edmund McMillen considered Dataminer to be the worst item in The Binding of Isaac.
 * This is quite likely on purpouse as the item was originally created as a response to the dataminers who ruinined the fun of the rebirth lost puzzle according to Edmund.

Seeds
VTGP F8HD (Treasure Room adjacent to spawn)