It is represented by a blue circle with a skull in the middle. The skull has a small holed skull on its forehead.
- Can be found in the level Cortana in the circular room. Where Cortana mentions that "she likes to play games too." get on top of the ceiling of the room and the skull waits for you.
- You can jump off a deployable cover when attempting to claim this skull. Also, clear the room before you get the skull.
- There is a second skull on the level, called the Second Blind Skull. Carrying it with you through completion of the level grants you a spartan laser as a starting weapon on the next level.
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