I Have Everything I Need

This is the 11th episode of Survivor: Guanica

Challenges
Immunity Challenge: Last Gasp The players must swim under a steel grate and stay above the water. As the tide rises, player will run out of breathing room. If the fear of drowning is too much, that person can bail out. The last person still in the grate wins the challenge. Winner: 

Previously On Survivor
The two tribes merged. Violet flipped and aligned herself with Chad, Tom, and Ty. They thought they had Shelia and Devin, however they both flipped to Anne, Stephen, and Tanna leaving them in the majority. They then targeted Tom and Tom was voted out. Eight remain, who will be voted out tonight?