Item: Broken Shovel
Book of Secrets
Upon use, gives the effect of Treasure Map, The Compass, or Blue Map for the duration of the current floor.
Shoots 8 tears around Isaac, which retain the damage, shot speed, and special effects of his tears. Each tear shot by Isaac increases item charge by one.
How to Jump
Gives Isaac the ability to jump (over gaps, spikes, etc.).
Head of Krampus
Fires a cross-patterned brimstone shot, just like The Fallen and Krampus shoot.
Upon use, turns Isaac's head into a stationary familiar for the current room which fires normal tears that deal 3.5 damage.
Upon activation, Isaac gains flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom's Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan.
Upon activation, enemies and their projectiles are slowed down for a short duration.
Monstro jumps onto a random enemy, doing area damage. Can damage/kill the player if summoned in an room without enemies.
The Book of Belial
Upon use increases damage by 2 for the current room and by a further +50% if the character also has the Blood of the Martyr.
When used, will detonate any tears currently on the screen and cause each one to split into 6 more tears which will fire in a circle, similar to Tammy's Head.
For 1 coin, damages all enemies in the room.
When used, reduces Isaac's health to half a heart (including soul and black hearts) and fires one large piercing spectral tear that does a lot of damage. The damage done by Glass Cannon scales with Isaac's damage (at base damage it does 45 damage).
Spawns a blue spider or fly. Turns pickups in the room into blue spiders or flies.
Kills all enemies in the room, then kills Isaac three seconds later.
Summons a controllable ghost that can perform various tasks depending on what it targets.
Upon use, Isaac fires a laser similar to the one used by Mega Satan. This laser deals massive damage, lasts for approximately 15 seconds, and persists between rooms. Isaac is pushed backwards by the force of the laser while it is active.