Remnant of the Eye

 is an item.

Obtaining
can be obtained when a Summoning Eye is used to summon an Ender Dragon, or purchased from the Pearl Dealer for.

Usage
When kept in your inventory, Remnant of the Eye brings you back to full health and grants a short period of invincibility when you die on the End Island. The item is consumed afterwards and a message appears saying "Your Remnant of the Eye saved you from certain death!" If you die with it, you will not go back to spawn, you will stay where you were when you died. But if you died while falling into the void, you go back to spawn not losing potion effects or coins.

Trivia
If you want to buy this item, it is highly suggested you do it on the Auction House. The prices there are usually much, much lower than and you can get lots of them for low prices.

If you have this and a saving grace, they will both be consumed.