Does not prevent Isaac from taking contact damage. In the burst of tears is a kidney stone which deals a lot of damage. In Afterbirth this item can cause enemies to drop black hearts if it was poisoned. The effect triggers again 30 seconds after use and again 60 seconds after use. Finding all the puzzle pieces will help you to reveal the final secret, unlocking the hidden character 'The Lost'. In Afterbirth this orbital can now block shots, making it equal to the Cube of Meat. Unlike the Cube of Meat, it does not block enemy shots.
Crystal. Age: 27.
The longer the button is held the faster Gurdy will fling itself across the screen.
Amalia. Age: 23.
Can be negated with Black Candle. In Afterbirth this item can cause enemies to drop black hearts if it was poisoned. In Afterbirth dying with this trinket causes you to respawn as The Lost character and dying in a sacrifice room while holding this trinket will now unlock the Lost character. You may see more or less than this on the Found HUD overlay, however this number varies based on your other damage increasing items. If your speed stat is already higher then that value is still used. However with lasers such as Brimstone this point is no longer true.