Ande Pearl is a new item in the upgrade of 1.8 version, and sometimes it falls out after the last shadow dies. It can also be obtained in water, because the last shadow will die "naturally" in the storm because of the damage of water. 1.9 version does not have this problem, they will teleport.
Attribute:
Type: raw materials
Durability: None
Renewable: Yes
Overlap: Yes (64)
What's the use of my last shadow bead?
Throw the last pearl directly and the player will be transported to the place where the pearl hits. However, it is not suitable for creation mode, with 2.5 squares of drop damage.