The Inner Eye

The Inner Eye is a passive item.

Effects[]

The maximum amount of tears per volley that can be reached by combining and/or duplicating 20/20, The Inner Eye, Mutant Spider and The Wiz is 16, or 20 with Keeper.

Cursed Eye: At full charge, fires 4 rows of 3 tears, resulting in 12 tears.
Doctor's Remote / Epic Fetus: Replaces the single missile strike with a barrage of three consecutive missiles.
The Inner Eye: Effects stack, resulting in 6 tears being shot with no further decrease in fire rate.
- Adds an additional tear with no further decrease in fire rate. This can be stacked up to 16 tears.
The Ludovico Technique: The tear gains two orbiting tears.
Polyphemus: Tear rate is not lowered further. Damage is increased by a flat +5 instead of a normal Polyphemus boost.
- Damage is increased by a flat +5 instead of a normal Polyphemus boost. Decreases fire rate by a little.
Technology 2: The laser is not affected by The Inner Eye.
Tractor Beam: All tears are fired along the beam, but some may be hard to see as they overlap each other.

20/20: Overridden by The Inner Eye.
- Shoots 5 tears with no further decrease in fire rate.
- Shoots 4 tears with no further decrease in fire. Each tear does 75% of its original damage for no net gain in total DPS.
The Forgotten: Triples bones thrown and swung. Significant increase in tear delay.
Keeper: Fires 6 tears with significantly increased tear delay.
- Fires 4 tears with significantly increased tear delay.
Kidney Stone: Increase number of tears in tear barrage; however, only fires one stone.
Lead Pencil: The barrage will activate as normal but Isaac will sometimes fire red tears.
Loki's Horns: Only occasionally fires one tear in the other three directions.
Mom's Eye: Only occasionally fires one tear out of the back of Isaac's head.
Mutant Spider: Overrides The Inner Eye.
- Shoots 7 tears instead of 3. No further decrease in fire rate.
  - Shoots 5 tears instead of 3. Decreases fire rate by a little.
Monstro's Lung: Adds 5 tears to barrage with a significant increase in tear delay.
Sad Bombs: Does not affect the number of tears when bombs explode.
Varicose Veins: No effect on number of tears when taking damage.
Brimstone: Fires 3 beams. Affects Azazel's short-ranged version the same way.

The Inner Eye is a reference to the concept of the 'third eye', an idea popular in Eastern mysticism dictating the existence of an invisible third eye usually located on a person's forehead which would allow them to see beyond normal reality.