Tick

The Tick is a trinket.

Effects

• Removes 15% of any enemy's health if they have over 60 HP.
• Gives Isaac one red heart if he enters an uncleared Boss Room.
• Once picked up, it can't be removed.
  • The Tick can be replaced by Match StickIncreases the chance of Bombs dropping after clearing a room, and the chance of finding Bombs when opening a Chest..
    • The Tick cannot be replaced with the Match StickIncreases the chance of Bombs dropping after clearing a room, and the chance of finding Bombs when opening a Chest. if Isaac has Mom's PurseAllows Isaac to hold 1 additional trinket. or Belly ButtonDrops a random trinket. Grants a second trinket slot..
  • The Tick can be removed by SmelterConsumes Isaac's currently held trinket and applies its effect permanently. and Gulp!.

Notes

• This trinket can be used to infinitely replenish health if Isaac has access to any infinitely usable teleportation effect (such as Broken RemoteTriggers the Teleport effect whenever an activated item is used. + How to JumpGives Isaac the ability to jump (over gaps, spikes, etc.).).

Trivia

• Being able to replace the Tick with Match Stick is a reference of how you can remove a tick that has latched onto your skin in real life with the red hot tip of a match stick; however, removing a tick like this can expose oneself to disease-causing bacteria present in the tick.
• The Tick is the only trinket that passively changes Isaac's appearance.
• The Tick bears similarity to a real life deer tick.
• This trinket is used in Challenge #18 (The Host).